grub2/0384-grub-core-kern-mips-arc-init.c-Fix-prefix-detection.patch
Peter Jones f74b50e380 Rebase to upstream, fix a pile of bugs. The usual.
Signed-off-by: Peter Jones <pjones@redhat.com>
2013-06-12 15:37:08 -04:00

158 lines
4.1 KiB
Diff

From 5605655af5a8fbb1d26ad567082c00606b425ae4 Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Mon, 29 Apr 2013 11:59:18 +0200
Subject: [PATCH 384/482] * grub-core/kern/mips/arc/init.c: Fix prefix
detection.
---
ChangeLog | 4 +++
grub-core/kern/mips/arc/init.c | 64 ++++++++++++++++++++++++++++++++++++++----
2 files changed, 62 insertions(+), 6 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 41a941c..f444ea9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
2013-04-29 Vladimir Serbinenko <phcoder@gmail.com>
+ * grub-core/kern/mips/arc/init.c: Fix prefix detection.
+
+2013-04-29 Vladimir Serbinenko <phcoder@gmail.com>
+
* grub-core/lib/arg.c (grub_arg_show_help): Fix a NULL pointer
dereference.
Reported by: qwertial.
diff --git a/grub-core/kern/mips/arc/init.c b/grub-core/kern/mips/arc/init.c
index d279ada..fdcc2bd 100644
--- a/grub-core/kern/mips/arc/init.c
+++ b/grub-core/kern/mips/arc/init.c
@@ -179,19 +179,26 @@ norm_name_to_alt (const char *name)
optr = grub_stpcpy (ret, "arc/");
for (iptr = name; *iptr; iptr++)
{
- if (state == 1)
+ if (state == 3)
{
*optr++ = '/';
state = 0;
}
if (*iptr == '(')
- continue;
- if (*iptr == ')')
{
state = 1;
continue;
}
+ if (*iptr == ')')
+ {
+ if (state == 1)
+ *optr++ = '0';
+ state = 3;
+ continue;
+ }
*optr++ = *iptr;
+ if (state == 1)
+ state = 2;
}
*optr = '\0';
return ret;
@@ -353,13 +360,48 @@ grub_machine_get_bootlocation (char **device __attribute__ ((unused)),
grub_disk_addr_t poff = -1, pend;
struct get_device_name_ctx ctx;
grub_disk_t parent = 0;
-
- pptr = grub_strchr (loaddev, '/');
- if (pptr)
+ unsigned i;
+
+ for (i = 0; i < ARRAY_SIZE (type_names); i++)
+ if (type_names[i]
+ && grub_memcmp (loaddev, type_names[i], grub_strlen (type_names[i])) == 0
+ && loaddev[grub_strlen (type_names[i])] == '(')
+ break;
+ if (i == ARRAY_SIZE (type_names))
+ pptr = loaddev;
+ else
+ for (pptr = loaddev; *pptr && *pptr != '/' && *pptr != '\\'; pptr++);
+ if (*pptr)
{
+ char *iptr, *optr;
+ char sep = *pptr;
+ *path = grub_malloc (grub_strlen (pptr) + 1);
+ if (!*path)
+ return;
+ for (iptr = pptr, optr = *path; *iptr; iptr++, optr++)
+ if (*iptr == sep)
+ *optr = '/';
+ else
+ *optr = *iptr;
+ *optr = '\0';
*path = grub_strdup (pptr);
*pptr = '\0';
}
+
+ if (*loaddev == '\0')
+ {
+ const char *syspart = 0;
+
+ if (GRUB_ARC_SYSTEM_PARAMETER_BLOCK->firmware_vector_length
+ >= ((char *) (&GRUB_ARC_FIRMWARE_VECTOR->getenvironmentvariable + 1)
+ - (char *) GRUB_ARC_FIRMWARE_VECTOR)
+ && GRUB_ARC_FIRMWARE_VECTOR->getenvironmentvariable)
+ syspart = GRUB_ARC_FIRMWARE_VECTOR->getenvironmentvariable ("SystemPartition");
+ if (!syspart)
+ return;
+ loaddev = grub_strdup (syspart);
+ }
+
partptr = get_part (loaddev);
if (partptr)
{
@@ -370,6 +412,8 @@ grub_machine_get_bootlocation (char **device __attribute__ ((unused)),
if (poff == (grub_addr_t) -1)
{
*device = dname;
+ if (loaddev != boot_location)
+ grub_free (loaddev);
return;
}
@@ -377,6 +421,8 @@ grub_machine_get_bootlocation (char **device __attribute__ ((unused)),
if (!parent)
{
*device = dname;
+ if (loaddev != boot_location)
+ grub_free (loaddev);
return;
}
@@ -385,6 +431,8 @@ grub_machine_get_bootlocation (char **device __attribute__ ((unused)),
{
grub_disk_close (parent);
*device = dname;
+ if (loaddev != boot_location)
+ grub_free (loaddev);
return;
}
@@ -398,6 +446,8 @@ grub_machine_get_bootlocation (char **device __attribute__ ((unused)),
if (! ctx.partition_name)
{
*device = dname;
+ if (loaddev != boot_location)
+ grub_free (loaddev);
return;
}
@@ -405,4 +455,6 @@ grub_machine_get_bootlocation (char **device __attribute__ ((unused)),
ctx.partition_name);
grub_free (ctx.partition_name);
grub_free (dname);
+ if (loaddev != boot_location)
+ grub_free (loaddev);
}
--
1.8.2.1