rpms/sane-backends
7
0
Fork 0
Code Issues Pull Requests Releases Activity
6ef393bf23
sane-backends/sane-backends-1.0.24-static-code-check.patch
Nils Philippsen 6ef393bf23 fix issues found during static code check
2013-11-07 12:56:17 +01:00

733 lines
22 KiB
Diff
Raw Blame History

From fc5281af7dad490171933ca706a7c34c891269b5 Mon Sep 17 00:00:00 2001
From: Nils Philippsen <nils@redhat.com>
Date: Thu, 7 Nov 2013 12:48:23 +0100
Subject: [PATCH] patch: static-code-check
Fix problems found during static code check (Coverity).
Squashed commit of the following:
commit b0c14b86210c7615ea4d90723722a7430b175ae2
Author: Nils Philippsen <nils@redhat.com>
Date: Wed Nov 6 11:05:58 2013 +0100
genesys: check return values
(cherry picked from commit dc76e7cce464f04e46aab2bb0c269b4742161c59)
commit b6e13be1c187790adfa50e81506533fbe21dca6f
Author: Nils Philippsen <nils@redhat.com>
Date: Tue Nov 5 14:48:09 2013 +0100
genesys: remove code which is never reached
The surrounding conditions always evaluate as FALSE because the
variables are set to different values before.
(cherry picked from commit 5d7f7ffefb22e7e64789e97af0356b7859d61814)
commit 6d77e6f1ebb9eb0f47117a5790486a3b83c142d2
Author: Nils Philippsen <nils@redhat.com>
Date: Wed Nov 6 11:44:16 2013 +0100
rts8891: check return values
(cherry picked from commit 602d6ecdfe5f3146867799fabf3ac87582c26461)
commit 0438b3f9aaa4ee8558185ad5e7a9c6a0bf1a3590
Author: Nils Philippsen <nils@redhat.com>
Date: Tue Nov 5 15:42:26 2013 +0100
genesys: compute MAX_SCANNERS from array length
... of genesys_usb_device_list[]
(cherry picked from commit a3fe2c1ea5b4f6b1e55435f6abc44f402ff32b4d)
commit ba746cc2a62cfb32ae6f8e22d6d36206959b7128
Author: Nils Philippsen <nils@redhat.com>
Date: Tue Nov 5 15:31:11 2013 +0100
kodakio: don't overrun option name array
(cherry picked from commit 2d89e37f365cb8e54ee44aa686a62320e2837b50)
commit 87580bc5d07f983afa1db1e0e7c36287b85b5ecd
Author: Nils Philippsen <nils@redhat.com>
Date: Tue Nov 5 15:19:48 2013 +0100
pixma: document falling through to next switch case
(cherry picked from commit 101f76c516cd42cafe9e142aefe751094a125e73)
commit 15f7322b94a1e895d6ab6e8fb0466ef920a946ad
Author: Nils Philippsen <nils@redhat.com>
Date: Tue Nov 5 15:15:17 2013 +0100
genesys: avoid infinite loop
The stray semicolon prevents executing the loop which could reset the
REG41_FEBUSY bit.
(cherry picked from commit b53a58c4b534b9e6897c1b0a6301d2bf76dc3499)
commit bde7ee0c9e0bde21fc8b01af11270ca51110a89d
Author: Nils Philippsen <nils@redhat.com>
Date: Tue Nov 5 15:12:20 2013 +0100
pixma: avoid buffer overflows
(cherry picked from commit 575f40a0790bb5e20ffd7ccae1c9272e481bbe51)
commit ee3953fb5b11a26a42bee3d75ee6b93da0bb112f
Author: Nils Philippsen <nils@redhat.com>
Date: Tue Nov 5 14:52:22 2013 +0100
pixma: u32tohex(): shift first, then cast to uint8_t
(cherry picked from commit cf9129d62fe7e84479e8daf6018cd2495d53bcc9)
commit ef85481800383cf082ad6aa4a944765ee84027c0
Author: Nils Philippsen <nils@redhat.com>
Date: Tue Nov 5 14:47:27 2013 +0100
remove code which is never reached
(cherry picked from commit 66cb9b55c2e60503d537d7ed927f5a5aef3658d2)
commit 0864f4d6203ba8f1306af0d39a09dff2f9d4706a
Author: Nils Philippsen <nils@redhat.com>
Date: Tue Nov 5 14:17:12 2013 +0100
genesys: fix some memory leaks
(cherry picked from commit 252ccdd926bb28bd6064da7b652e646664226572)
commit a4d72c0e2ebb1f6352f21a300bbff67d439cd77f
Author: Nils Philippsen <nils@redhat.com>
Date: Tue Nov 5 13:56:28 2013 +0100
epson: ensure that command() allocates enough memory
(cherry picked from commit 8cd2d36f1e9a5b5633d4b8334acf5c8f68381415)
commit 67af3b80508c0a0adb0fe89ead7c4cb570d7400c
Author: Nils Philippsen <nils@redhat.com>
Date: Tue Nov 5 11:39:56 2013 +0100
genesys: avoid dereferencing null pointer
(cherry picked from commit 56104b5329076d45caf2e04a2271f40a2699f71f)
---
backend/epson.c | 34 +++++++++++++++++++----------
backend/genesys.c | 9 +++++---
backend/genesys_devices.c | 3 +++
backend/genesys_gl124.c | 21 ++++++++++++++++--
backend/genesys_gl843.c | 20 +++++++++++++++--
backend/genesys_gl846.c | 55 ++++++++++++++++++++++++++---------------------
backend/genesys_gl847.c | 21 ++++++++++++++++--
backend/genesys_low.h | 1 -
backend/kodakaio.c | 6 +++---
backend/pixma_bjnp.c | 18 ++++++++++------
backend/rts8891.c | 16 ++++++--------
sanei/sanei_usb.c | 2 --
tools/sane-find-scanner.c | 2 --
13 files changed, 139 insertions(+), 69 deletions(-)
diff --git a/backend/epson.c b/backend/epson.c
index 2cae65a..08f1401 100644
--- a/backend/epson.c
+++ b/backend/epson.c
@@ -818,6 +818,12 @@ typedef struct
} EpsonIdentRec, *EpsonIdent;
+typedef union
+{
+ EpsonHdrRec hdr;
+ EpsonIdentRec ident;
+} EpsonHdrUnionRec, *EpsonHdrUnion;
+
typedef struct
{
@@ -843,7 +849,7 @@ typedef struct
*
*/
-static EpsonHdr command (Epson_Scanner * s, u_char * cmd, size_t cmd_size,
+static EpsonHdrUnion command (Epson_Scanner * s, u_char * cmd, size_t cmd_size,
SANE_Status * status);
static SANE_Status get_identity_information (SANE_Handle handle);
static SANE_Status get_identity2_information (SANE_Handle handle);
@@ -1844,21 +1850,24 @@ static Epson_Device *first_dev = NULL; /* first EPSON scanner in list */
static Epson_Scanner *first_handle = NULL;
-static EpsonHdr
+static EpsonHdrUnion
command (Epson_Scanner * s, u_char * cmd, size_t cmd_size,
SANE_Status * status)
{
+ EpsonHdrUnion hdrunion;
EpsonHdr head;
u_char *buf;
int count;
- if (NULL == (head = walloc (EpsonHdrRec)))
+ if (NULL == (hdrunion = walloc (EpsonHdrUnionRec)))
{
DBG (1, "out of memory (line %d)\n", __LINE__);
*status = SANE_STATUS_NO_MEM;
- return (EpsonHdr) 0;
+ return (EpsonHdrUnion) 0;
}
+ head = &(hdrunion->hdr);
+
send (s, cmd, cmd_size, status);
if (SANE_STATUS_GOOD != *status)
@@ -1869,7 +1878,7 @@ command (Epson_Scanner * s, u_char * cmd, size_t cmd_size,
*status = SANE_STATUS_GOOD;
send (s, cmd, cmd_size, status);
if (SANE_STATUS_GOOD != *status)
- return (EpsonHdr) 0;
+ return (EpsonHdrUnion) 0;
}
buf = (u_char *) head;
@@ -1892,7 +1901,7 @@ command (Epson_Scanner * s, u_char * cmd, size_t cmd_size,
}
if (SANE_STATUS_GOOD != *status)
- return (EpsonHdr) 0;
+ return (EpsonHdrUnion) 0;
DBG (4, "code %02x\n", (int) head->code);
@@ -1921,25 +1930,28 @@ command (Epson_Scanner * s, u_char * cmd, size_t cmd_size,
}
if (SANE_STATUS_GOOD != *status)
- return (EpsonHdr) 0;
+ return (EpsonHdrUnion) 0;
DBG (4, "status %02x\n", (int) head->status);
count = head->count2 * 255 + head->count1;
DBG (4, "count %d\n", count);
- if (NULL == (head = realloc (head, sizeof (EpsonHdrRec) + count)))
+ if (NULL == (hdrunion = realloc (hdrunion,
+ sizeof (EpsonHdrUnionRec) + count)))
{
DBG (1, "out of memory (line %d)\n", __LINE__);
*status = SANE_STATUS_NO_MEM;
- return (EpsonHdr) 0;
+ return (EpsonHdrUnion) 0;
}
+ head = &(hdrunion->hdr);
+
buf = head->buf;
receive (s, buf, count, status);
if (SANE_STATUS_GOOD != *status)
- return (EpsonHdr) 0;
+ return (EpsonHdrUnion) 0;
break;
@@ -1953,7 +1965,7 @@ command (Epson_Scanner * s, u_char * cmd, size_t cmd_size,
break;
}
- return head;
+ return hdrunion;
}
diff --git a/backend/genesys.c b/backend/genesys.c
index 6e7caad..e2c92e7 100644
--- a/backend/genesys.c
+++ b/backend/genesys.c
@@ -5977,7 +5977,7 @@ attach (SANE_String_Const devname, Genesys_Device ** devp, SANE_Bool may_wait)
Genesys_Device *dev = 0;
SANE_Int dn, vendor, product;
SANE_Status status;
- int i;
+ unsigned int i;
DBG (DBG_proc, "attach: start: devp %s NULL, may_wait = %d\n",
@@ -6061,7 +6061,10 @@ attach (SANE_String_Const devname, Genesys_Device ** devp, SANE_Bool may_wait)
dev->file_name = strdup (devname);
if (!dev->file_name)
- return SANE_STATUS_NO_MEM;
+ {
+ free(dev);
+ return SANE_STATUS_NO_MEM;
+ }
dev->model = genesys_usb_device_list[i].model;
dev->vendorId = genesys_usb_device_list[i].vendor;
@@ -6630,7 +6633,7 @@ sane_get_devices (const SANE_Device *** device_list, SANE_Bool local_only)
first_dev = dev->next;
num_devices--;
free (dev);
- dev = prev->next;
+ dev = first_dev;
}
}
/* case 2 : removed device is not first_dev */
diff --git a/backend/genesys_devices.c b/backend/genesys_devices.c
index fb3cd43..462c4a9 100644
--- a/backend/genesys_devices.c
+++ b/backend/genesys_devices.c
@@ -3413,3 +3413,6 @@ static Genesys_USB_Device_Entry genesys_usb_device_list[] = {
{0x04a9, 0x190a, &canon_lide_210_model},
{0, 0, NULL}
};
+
+#define MAX_SCANNERS (sizeof(genesys_usb_device_list) / \
+ sizeof(genesys_usb_device_list[0]))
diff --git a/backend/genesys_gl124.c b/backend/genesys_gl124.c
index 9e2fb8a..4a4b642 100644
--- a/backend/genesys_gl124.c
+++ b/backend/genesys_gl124.c
@@ -2246,7 +2246,7 @@ gl124_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
/* TODO add scan_mode to the API */
scan_mode= dev->settings.scan_mode;
dev->settings.scan_mode=SCAN_MODE_GRAY;
- gl124_init_scan_regs (dev,
+ status = gl124_init_scan_regs (dev,
local_reg,
resolution,
resolution,
@@ -2260,6 +2260,15 @@ gl124_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
SCAN_FLAG_DISABLE_SHADING |
SCAN_FLAG_DISABLE_GAMMA |
SCAN_FLAG_IGNORE_LINE_DISTANCE);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error,
+ "gl124_slow_back_home: failed to set up registers: %s\n",
+ sane_strstatus (status));
+ DBGCOMPLETED;
+ return status;
+ }
+
dev->settings.scan_mode=scan_mode;
/* clear scan and feed count */
@@ -2348,7 +2357,7 @@ gl124_feed (Genesys_Device * dev, unsigned int steps)
memcpy (local_reg, dev->reg, GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
resolution=sanei_genesys_get_lowest_ydpi(dev);
- gl124_init_scan_regs (dev,
+ status = gl124_init_scan_regs (dev,
local_reg,
resolution,
resolution,
@@ -2364,6 +2373,14 @@ gl124_feed (Genesys_Device * dev, unsigned int steps)
SCAN_FLAG_FEEDING |
SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE |
SCAN_FLAG_IGNORE_LINE_DISTANCE);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error,
+ "gl124_feed: failed to set up registers: %s\n",
+ sane_strstatus (status));
+ DBGCOMPLETED;
+ return status;
+ }
/* set exposure to zero */
sanei_genesys_set_triple(local_reg,REG_EXPR,0);
diff --git a/backend/genesys_gl843.c b/backend/genesys_gl843.c
index 3648d09..6cddd4f 100644
--- a/backend/genesys_gl843.c
+++ b/backend/genesys_gl843.c
@@ -2591,7 +2591,7 @@ gl843_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
memcpy (local_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
resolution=sanei_genesys_get_lowest_ydpi(dev);
- gl843_init_scan_regs (dev,
+ status = gl843_init_scan_regs (dev,
local_reg,
resolution,
resolution,
@@ -2607,6 +2607,14 @@ gl843_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
SCAN_FLAG_DISABLE_GAMMA |
SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE |
SCAN_FLAG_IGNORE_LINE_DISTANCE);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error,
+ "gl843_slow_back_home: failed to set up registers: %s\n",
+ sane_strstatus (status));
+ DBGCOMPLETED;
+ return status;
+ }
/* clear scan and feed count */
RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRLNCNT | REG0D_CLRMCNT));
@@ -2879,7 +2887,7 @@ gl843_feed (Genesys_Device * dev, unsigned int steps)
memcpy (local_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
resolution=sanei_genesys_get_lowest_ydpi(dev);
- gl843_init_scan_regs (dev,
+ status = gl843_init_scan_regs (dev,
local_reg,
resolution,
resolution,
@@ -2895,6 +2903,14 @@ gl843_feed (Genesys_Device * dev, unsigned int steps)
SCAN_FLAG_DISABLE_GAMMA |
SCAN_FLAG_FEEDING |
SCAN_FLAG_IGNORE_LINE_DISTANCE);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error,
+ "gl843_feed: failed to set up registers: %s\n",
+ sane_strstatus (status));
+ DBGCOMPLETED;
+ return status;
+ }
/* clear scan and feed count */
RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRLNCNT));
diff --git a/backend/genesys_gl846.c b/backend/genesys_gl846.c
index 5e1f0f4..c810604 100644
--- a/backend/genesys_gl846.c
+++ b/backend/genesys_gl846.c
@@ -633,7 +633,7 @@ gl846_set_adi_fe (Genesys_Device * dev, uint8_t set)
/* wait for FE to be ready */
status = sanei_genesys_get_status (dev, &val8);
- while (val8 & REG41_FEBUSY);
+ while (val8 & REG41_FEBUSY)
{
usleep (10000);
status = sanei_genesys_get_status (dev, &val8);
@@ -1975,7 +1975,7 @@ gl846_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
/* TODO add scan_mode to the API */
scan_mode= dev->settings.scan_mode;
dev->settings.scan_mode=SCAN_MODE_LINEART;
- gl846_init_scan_regs (dev,
+ status = gl846_init_scan_regs (dev,
local_reg,
resolution,
resolution,
@@ -1989,6 +1989,14 @@ gl846_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
SCAN_FLAG_DISABLE_SHADING |
SCAN_FLAG_DISABLE_GAMMA |
SCAN_FLAG_IGNORE_LINE_DISTANCE);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error,
+ "gl846_slow_back_home: failed to set up registers: %s\n",
+ sane_strstatus (status));
+ DBGCOMPLETED;
+ return status;
+ }
dev->settings.scan_mode=scan_mode;
/* clear scan and feed count */
@@ -2255,7 +2263,7 @@ gl846_feed (Genesys_Device * dev, unsigned int steps)
memcpy (local_reg, dev->reg, GENESYS_GL846_MAX_REGS * sizeof (Genesys_Register_Set));
resolution=sanei_genesys_get_lowest_ydpi(dev);
- gl846_init_scan_regs (dev,
+ status = gl846_init_scan_regs (dev,
local_reg,
resolution,
resolution,
@@ -2270,6 +2278,14 @@ gl846_feed (Genesys_Device * dev, unsigned int steps)
SCAN_FLAG_DISABLE_GAMMA |
SCAN_FLAG_FEEDING |
SCAN_FLAG_IGNORE_LINE_DISTANCE);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error,
+ "gl846_feed: failed to set up registers: %s\n",
+ sane_strstatus (status));
+ DBGCOMPLETED;
+ return status;
+ }
/* set exposure to zero */
sanei_genesys_set_triple(local_reg,REG_EXPR,0);
@@ -2583,13 +2599,14 @@ gl846_send_shading_data (Genesys_Device * dev, uint8_t * data, int size)
ptr+=4;
}
- RIE (sanei_genesys_read_register (dev, 0xd0+i, &val));
+ RIEF (sanei_genesys_read_register (dev, 0xd0+i, &val), buffer);
addr = val * 8192 + 0x10000000;
status = sanei_genesys_write_ahb (dev->dn, dev->usb_mode, addr, pixels, buffer);
if (status != SANE_STATUS_GOOD)
{
DBG (DBG_error, "gl846_send_shading_data; write to AHB failed (%s)\n",
sane_strstatus (status));
+ free(buffer);
return status;
}
}
@@ -3013,7 +3030,15 @@ gl846_search_strip (Genesys_Device * dev, SANE_Bool forward, SANE_Bool black)
DBG (DBG_proc, "gl846_search_strip %s %s\n", black ? "black" : "white",
forward ? "forward" : "reverse");
- gl846_set_fe (dev, AFE_SET);
+ status = gl846_set_fe (dev, AFE_SET);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error,
+ "gl846_search_strip: gl846_set_fe() failed: %s\n",
+ sane_strstatus(status));
+ return status;
+ }
+
status = gl846_stop_action (dev);
if (status != SANE_STATUS_GOOD)
{
@@ -3572,24 +3597,10 @@ gl846_coarse_gain_calibration (Genesys_Device * dev, int dpi)
max[j] = 0;
for (i = pixels/4; i < (pixels*3/4); i++)
{
- if(bpp==16)
- {
- if (dev->model->is_cis)
- val =
- line[i * 2 + j * 2 * pixels + 1] * 256 +
- line[i * 2 + j * 2 * pixels];
- else
- val =
- line[i * 2 * channels + 2 * j + 1] * 256 +
- line[i * 2 * channels + 2 * j];
- }
- else
- {
if (dev->model->is_cis)
val = line[i + j * pixels];
else
val = line[i * channels + j];
- }
max[j] += val;
}
@@ -3619,12 +3630,6 @@ gl846_coarse_gain_calibration (Genesys_Device * dev, int dpi)
dev->frontend.gain[2] = dev->frontend.gain[1] = dev->frontend.gain[0];
}
- if (channels == 1)
- {
- dev->frontend.gain[0] = dev->frontend.gain[1];
- dev->frontend.gain[2] = dev->frontend.gain[1];
- }
-
free (line);
RIE (gl846_stop_action (dev));
diff --git a/backend/genesys_gl847.c b/backend/genesys_gl847.c
index 7c6a3c3..47171b9 100644
--- a/backend/genesys_gl847.c
+++ b/backend/genesys_gl847.c
@@ -1995,7 +1995,7 @@ gl847_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
/* TODO add scan_mode to the API */
scan_mode= dev->settings.scan_mode;
dev->settings.scan_mode=SCAN_MODE_LINEART;
- gl847_init_scan_regs (dev,
+ status = gl847_init_scan_regs (dev,
local_reg,
resolution,
resolution,
@@ -2009,6 +2009,15 @@ gl847_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
SCAN_FLAG_DISABLE_SHADING |
SCAN_FLAG_DISABLE_GAMMA |
SCAN_FLAG_IGNORE_LINE_DISTANCE);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error,
+ "gl847_slow_back_home: failed to set up registers: %s\n",
+ sane_strstatus (status));
+ DBGCOMPLETED;
+ return status;
+ }
+
dev->settings.scan_mode=scan_mode;
/* clear scan and feed count */
@@ -2276,7 +2285,7 @@ gl847_feed (Genesys_Device * dev, unsigned int steps)
memcpy (local_reg, dev->reg, GENESYS_GL847_MAX_REGS * sizeof (Genesys_Register_Set));
resolution=sanei_genesys_get_lowest_ydpi(dev);
- gl847_init_scan_regs (dev,
+ status = gl847_init_scan_regs (dev,
local_reg,
resolution,
resolution,
@@ -2291,6 +2300,14 @@ gl847_feed (Genesys_Device * dev, unsigned int steps)
SCAN_FLAG_DISABLE_GAMMA |
SCAN_FLAG_FEEDING |
SCAN_FLAG_IGNORE_LINE_DISTANCE);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_error,
+ "gl847_feed: failed to set up registers: %s\n",
+ sane_strstatus (status));
+ DBGCOMPLETED;
+ return status;
+ }
/* set exposure to zero */
sanei_genesys_set_triple(local_reg,REG_EXPR,0);
diff --git a/backend/genesys_low.h b/backend/genesys_low.h
index 1d5ef22..31e0541 100644
--- a/backend/genesys_low.h
+++ b/backend/genesys_low.h
@@ -310,7 +310,6 @@ typedef enum Genesys_Color_Order
Genesys_Color_Order;
-#define MAX_SCANNERS 50
#define MAX_RESOLUTIONS 13
#define MAX_DPI 4
diff --git a/backend/kodakaio.c b/backend/kodakaio.c
index 8c4583a..901f7a8 100644
--- a/backend/kodakaio.c
+++ b/backend/kodakaio.c
@@ -3131,14 +3131,14 @@ sane_control_option(SANE_Handle handle, SANE_Int option, SANE_Action action,
void *value, SANE_Int *info)
{
KodakAio_Scanner *s = (KodakAio_Scanner *) handle;
- DBG(2, "%s: action = %x, option = %d %s\n", __func__, action, option, s->opt[option].name);
-
if (option < 0 || option >= NUM_OPTIONS)
{
- DBG(1, "%s: option num = %d (%s) out of range\n", __func__, option, s->opt[option].name);
+ DBG(1, "%s: option num = %d out of range (0..%d)\n", __func__, option, NUM_OPTIONS - 1);
return SANE_STATUS_INVAL;
}
+ DBG(2, "%s: action = %x, option = %d %s\n", __func__, action, option, s->opt[option].name);
+
if (info != NULL)
*info = 0;
diff --git a/backend/pixma_bjnp.c b/backend/pixma_bjnp.c
index a1730ad..1020b8d 100644
--- a/backend/pixma_bjnp.c
+++ b/backend/pixma_bjnp.c
@@ -130,11 +130,11 @@ static void
u32tohex (uint32_t x, char *str)
{
uint8_t uint8[4];
- uint8[0]= (uint8_t) x >> 24;
- uint8[1] = (uint8_t)x >> 16;
- uint8[2] = (uint8_t)x >> 8;
- uint8[3] = (uint8_t)x ;
- u8tohex(str, uint8, 4);
+ uint8[0] = (uint8_t)(x >> 24);
+ uint8[1] = (uint8_t)(x >> 16);
+ uint8[2] = (uint8_t)(x >> 8);
+ uint8[3] = (uint8_t)x ;
+ u8tohex(str, uint8, 4);
}
static void
@@ -284,7 +284,8 @@ parse_IEEE1284_to_model (char *scanner_id, char *model)
char s[BJNP_IEEE1284_MAX];
char *tok;
- strcpy (s, scanner_id);
+ strncpy (s, scanner_id, BJNP_IEEE1284_MAX);
+ s[BJNP_IEEE1284_MAX - 1] = '\0';
model[0] = '\0';
tok = strtok (s, ";");
@@ -441,7 +442,8 @@ split_uri (const char *devname, char *method, char *host, char *port,
char next;
int i;
- strcpy (copy, devname);
+ strncpy (copy, devname, 1024);
+ copy[1023] = '\0';
start = copy;
/*
@@ -2313,6 +2315,8 @@ sanei_bjnp_read_int (SANE_Int dn, SANE_Byte * buffer, size_t * size)
}
device[dn].polling_status = BJNP_POLL_STARTED;
+ /* fall through to BJNP_POLL_STARTED */
+
case BJNP_POLL_STARTED:
/* we use only seonds accuracy between poll attempts */
timeout = device[dn].bjnp_timeout /1000;
diff --git a/backend/rts8891.c b/backend/rts8891.c
index d86347b..bdb4011 100644
--- a/backend/rts8891.c
+++ b/backend/rts8891.c
@@ -2212,7 +2212,13 @@ sane_close (SANE_Handle handle)
/* switch off lamp and close usb */
if (dev->conf.allowsharing == SANE_TRUE)
{
- sanei_usb_claim_interface (dev->devnum, 0);
+ SANE_Status status = sanei_usb_claim_interface (dev->devnum, 0);
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_warn, "sane_close: cannot claim usb interface: %s\n",
+ sane_strstatus(status));
+ DBG (DBG_warn, "sane_close: continuing anyway\n");
+ }
}
set_lamp_state (session, 0);
sanei_usb_close (dev->devnum);
@@ -3197,14 +3203,6 @@ find_origin (struct Rts8891_Device *dev, SANE_Bool * changed)
return status;
}
- if (status != SANE_STATUS_GOOD)
- {
- free(image);
- free(data);
- DBG (DBG_error, "find_origin: failed to wait for data\n");
- return status;
- }
-
if (DBG_LEVEL > DBG_io2)
{
write_gray_data (data, "find_origin.pnm", width, height);
diff --git a/sanei/sanei_usb.c b/sanei/sanei_usb.c
index 7401658..491ceeb 100644
--- a/sanei/sanei_usb.c
+++ b/sanei/sanei_usb.c
@@ -460,8 +460,6 @@ sanei_libusb_strerror (int errcode)
default:
return "Unknown libusb-1.0 error code";
}
-
- return "Unknown libusb-1.0 error code";
}
#endif /* HAVE_LIBUSB_1_0 */
diff --git a/tools/sane-find-scanner.c b/tools/sane-find-scanner.c
index dbfd0da..ae0e116 100644
--- a/tools/sane-find-scanner.c
+++ b/tools/sane-find-scanner.c
@@ -757,8 +757,6 @@ sfs_libusb_strerror (int errcode)
default:
return "Unknown libusb-1.0 error code";
}
-
- return "Unknown libusb-1.0 error code";
}
static char *
--
1.8.4.2
Reference in New Issue View Git Blame Copy Permalink