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efivar/SOURCES/0056-Improve-consistency-of-debug-prints.patch
CentOS Sources 057264410b import efivar-37-17.el9
2021-12-09 11:57:18 +00:00

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From d153ca75d0323eb125e525ebdf4ac5c982941d15 Mon Sep 17 00:00:00 2001
From: Peter Jones <pjones@redhat.com>
Date: Tue, 15 Oct 2019 16:26:30 -0400
Subject: [PATCH 56/86] Improve consistency of debug prints
This changes debug prints in a couple of ways:
- always calls the path we're parsing "current" in the output
- always use ' not " for quoting in the debug output, so tools that
escape strings won't change the lenghts
- everything that parses "current" has a debug print after each parse
attempt and before returning.
Signed-off-by: Peter Jones <pjones@redhat.com>
---
src/dp-acpi.c | 8 ++++----
src/linux-acpi-root.c | 4 ++--
src/linux-acpi.c | 6 +++---
src/linux-ata.c | 11 +++++++----
src/linux-i2o.c | 10 +++++-----
src/linux-md.c | 4 ++--
src/linux-pci-root.c | 2 +-
src/linux-pmem.c | 5 +++--
src/linux.c | 27 +++++++++++++++++----------
9 files changed, 44 insertions(+), 33 deletions(-)
diff --git a/src/dp-acpi.c b/src/dp-acpi.c
index 02ec70eec7a..ae4102cdf56 100644
--- a/src/dp-acpi.c
+++ b/src/dp-acpi.c
@@ -1,6 +1,6 @@
/*
* libefivar - library for the manipulation of EFI variables
- * Copyright 2012-2015 Red Hat, Inc.
+ * Copyright 2012-2019 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License as
@@ -52,9 +52,9 @@ _format_acpi_hid_ex(unsigned char *buf, size_t size,
{
ssize_t off = 0;
- debug("hid:0x%08x hidstr:\"%s\"", dp->acpi_hid_ex.hid, hidstr);
- debug("cid:0x%08x cidstr:\"%s\"", dp->acpi_hid_ex.cid, cidstr);
- debug("uid:0x%08x uidstr:\"%s\"", dp->acpi_hid_ex.uid, uidstr);
+ debug("hid:0x%08x hidstr:'%s'", dp->acpi_hid_ex.hid, hidstr);
+ debug("cid:0x%08x cidstr:'%s'", dp->acpi_hid_ex.cid, cidstr);
+ debug("uid:0x%08x uidstr:'%s'", dp->acpi_hid_ex.uid, uidstr);
if (!hidstr && !cidstr && (uidstr || dp->acpi_hid_ex.uid)) {
format(buf, size, off, "AcpiExp",
diff --git a/src/linux-acpi-root.c b/src/linux-acpi-root.c
index 9154c950bb1..86693c81878 100644
--- a/src/linux-acpi-root.c
+++ b/src/linux-acpi-root.c
@@ -144,7 +144,7 @@ parse_acpi_root(struct device *dev, const char *path, const char *root UNUSED)
return rc;
}
}
- debug("Parsed HID:0x%08x UID:0x%"PRIx64" uidstr:\"%s\" path:\"%s\"",
+ debug("Parsed HID:0x%08x UID:0x%"PRIx64" uidstr:'%s' path:'%s'",
dev->acpi_root.acpi_hid, dev->acpi_root.acpi_uid,
dev->acpi_root.acpi_uid_str,
dev->acpi_root.acpi_cid_str);
@@ -162,7 +162,7 @@ dp_create_acpi_root(struct device *dev,
debug("entry buf:%p size:%zd off:%zd", buf, size, off);
if (dev->acpi_root.acpi_uid_str || dev->acpi_root.acpi_cid_str) {
- debug("creating acpi_hid_ex dp hid:0x%08x uid:0x%"PRIx64" uidstr:\"%s\" cidstr:\"%s\"",
+ debug("creating acpi_hid_ex dp hid:0x%08x uid:0x%"PRIx64" uidstr:'%s' cidstr:'%s'",
dev->acpi_root.acpi_hid, dev->acpi_root.acpi_uid,
dev->acpi_root.acpi_uid_str, dev->acpi_root.acpi_cid_str);
new = efidp_make_acpi_hid_ex(buf + off, size ? size - off : 0,
diff --git a/src/linux-acpi.c b/src/linux-acpi.c
index 919f4654ae3..534573f32c1 100644
--- a/src/linux-acpi.c
+++ b/src/linux-acpi.c
@@ -1,6 +1,6 @@
/*
* libefiboot - library for the manipulation of EFI boot variables
- * Copyright 2012-2018 Red Hat, Inc.
+ * Copyright 2012-2019 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License as
@@ -54,7 +54,7 @@ parse_acpi_hid_uid(struct device *dev, const char *fmt, ...)
if (l > 1) {
fbuf[l-1] = 0;
dev->acpi_root.acpi_cid_str = strdup(fbuf);
- debug("Setting ACPI root path to \"%s\"", fbuf);
+ debug("Setting ACPI root path to '%s'", fbuf);
}
}
@@ -111,7 +111,7 @@ hid_err:
}
}
}
- debug("acpi root UID:0x%"PRIx64" uidstr:\"%s\"",
+ debug("acpi root UID:0x%"PRIx64" uidstr:'%s'",
dev->acpi_root.acpi_uid, dev->acpi_root.acpi_uid_str);
errno = 0;
diff --git a/src/linux-ata.c b/src/linux-ata.c
index a05a2feb8b9..a51ed5abbe0 100644
--- a/src/linux-ata.c
+++ b/src/linux-ata.c
@@ -60,6 +60,7 @@ is_pata(struct device *dev)
static ssize_t
parse_ata(struct device *dev, const char *path, const char *root UNUSED)
{
+ const char *current = path;
uint32_t scsi_host, scsi_bus, scsi_device, scsi_target;
uint64_t scsi_lun;
int pos;
@@ -118,6 +119,7 @@ parse_ata(struct device *dev, const char *path, const char *root UNUSED)
NULL, NULL, NULL);
if (pos < 0)
return -1;
+ current += pos;
dev->ata_info.scsi_host = scsi_host;
dev->ata_info.scsi_bus = scsi_bus;
@@ -125,10 +127,11 @@ parse_ata(struct device *dev, const char *path, const char *root UNUSED)
dev->ata_info.scsi_target = scsi_target;
dev->ata_info.scsi_lun = scsi_lun;
- char *block = strstr(path, "/block/");
- if (!block)
- return -1;
- return block + 1 - path;
+ char *block = strstr(current, "/block/");
+ if (block)
+ current += block + 1 - current;
+ debug("current:'%s' sz:%zd", current, current - path);
+ return current - path;
}
static ssize_t
diff --git a/src/linux-i2o.c b/src/linux-i2o.c
index ebd92aeeb53..b53f4516309 100644
--- a/src/linux-i2o.c
+++ b/src/linux-i2o.c
@@ -1,6 +1,6 @@
/*
* libefiboot - library for the manipulation of EFI boot variables
- * Copyright 2012-2018 Red Hat, Inc.
+ * Copyright 2012-2019 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License as
@@ -33,7 +33,7 @@
* ... probably doesn't work.
*/
static ssize_t
-parse_i2o(struct device *dev, const char *current UNUSED, const char *root UNUSED)
+parse_i2o(struct device *dev, const char *current, const char *root UNUSED)
{
debug("entry");
/* I2O disks can have up to 16 partitions, or 4 bits worth. */
@@ -47,9 +47,9 @@ parse_i2o(struct device *dev, const char *current UNUSED, const char *root UNUSE
}
char *block = strstr(current, "/block/");
- if (!block)
- return -1;
- return block + 1 - current;
+ ssize_t sz = block ? block + 1 - current : -1;
+ debug("current:'%s' sz:%zd", current, sz);
+ return sz;
}
enum interface_type i2o_iftypes[] = { i2o, unknown };
diff --git a/src/linux-md.c b/src/linux-md.c
index b0809f8295a..2aacb87469a 100644
--- a/src/linux-md.c
+++ b/src/linux-md.c
@@ -50,7 +50,7 @@ parse_md(struct device *dev, const char *current, const char *root UNUSED)
debug("searching for mdM/mdMpN");
rc = sscanf(current, "md%d/%nmd%dp%d%n",
&md, &pos0, &tosser0, &part, &pos1);
- debug("current:\"%s\" rc:%d pos0:%d pos1:%d\n", current, rc, pos0, pos1);
+ debug("current:'%s' rc:%d pos0:%d pos1:%d\n", current, rc, pos0, pos1);
dbgmk(" ", pos0, pos1);
/*
* If it isn't of that form, it's not one of our partitioned md devices.
@@ -63,10 +63,10 @@ parse_md(struct device *dev, const char *current, const char *root UNUSED)
if (dev->part == -1)
dev->part = part;
+ debug("current:'%s' sz:%d\n", current, pos1);
return pos1;
}
-
static char *
make_part_name(struct device *dev)
{
diff --git a/src/linux-pci-root.c b/src/linux-pci-root.c
index 8cd3849b1db..84189ffbaca 100644
--- a/src/linux-pci-root.c
+++ b/src/linux-pci-root.c
@@ -87,7 +87,7 @@ dp_create_pci_root(struct device *dev UNUSED,
debug("entry buf:%p size:%zd off:%zd", buf, size, off);
debug("returning 0");
if (dev->acpi_root.acpi_uid_str) {
- debug("creating acpi_hid_ex dp hid:0x%08x uid:\"%s\"",
+ debug("creating acpi_hid_ex dp hid:0x%08x uid:'%s'",
dev->acpi_root.acpi_hid,
dev->acpi_root.acpi_uid_str);
new = efidp_make_acpi_hid_ex(buf + off, size ? size - off : 0,
diff --git a/src/linux-pmem.c b/src/linux-pmem.c
index e5de3264d03..b9f83e12e7b 100644
--- a/src/linux-pmem.c
+++ b/src/linux-pmem.c
@@ -103,11 +103,12 @@ parse_pmem(struct device *dev, const char *path, const char *root UNUSED)
*
* 259:0 -> ../../devices/LNXSYSTM:00/LNXSYBUS:00/ACPI0012:00/ndbus0/region12/btt12.1/block/pmem12s
*/
+ pos0 = pos1 = -1;
rc = sscanf(current,
"../../devices/%nLNXSYSTM:%hhx/LNXSYBUS:%hhx/ACPI%hx:%hhx/ndbus%d/region%d/btt%d.%d/%n",
&pos0, &system, &sysbus, &pnp_id, &acpi_id, &ndbus,
&region, &btt_region_id, &btt_id, &pos1);
- debug("current:\"%s\" rc:%d pos0:%d pos1:%d", current, rc, pos0, pos1);
+ debug("current:'%s' rc:%d pos0:%d pos1:%d", current, rc, pos0, pos1);
dbgmk(" ", pos0, pos1);
if (rc < 8)
return 0;
@@ -126,7 +127,7 @@ parse_pmem(struct device *dev, const char *path, const char *root UNUSED)
return -1;
filebuf = NULL;
- debug("nvdimm namespace is \"%s\"", namespace);
+ debug("nvdimm namespace is '%s'", namespace);
rc = read_sysfs_file(&filebuf, "bus/nd/devices/%s/uuid", namespace);
free(namespace);
if (rc < 0 || filebuf == NULL)
diff --git a/src/linux.c b/src/linux.c
index 1f37933f546..1051894e7bc 100644
--- a/src/linux.c
+++ b/src/linux.c
@@ -184,10 +184,10 @@ set_disk_and_part_name(struct device *dev)
errno = 0;
debug("dev->disk_name:%p dev->part_name:%p", dev->disk_name, dev->part_name);
debug("dev->part:%d", dev->part);
- debug("ultimate:\"%s\"", ultimate ? : "");
- debug("penultimate:\"%s\"", penultimate ? : "");
- debug("approximate:\"%s\"", approximate ? : "");
- debug("proximate:\"%s\"", proximate ? : "");
+ debug("ultimate:'%s'", ultimate ? : "");
+ debug("penultimate:'%s'", penultimate ? : "");
+ debug("approximate:'%s'", approximate ? : "");
+ debug("proximate:'%s'", proximate ? : "");
if (ultimate && penultimate &&
((proximate && !strcmp(proximate, "nvme")) ||
@@ -463,7 +463,11 @@ struct device HIDDEN
efi_error("parsing %s failed", probe->name);
goto err;
} else if (pos > 0) {
- debug("%s matched %s", probe->name, current);
+ char match[pos+1];
+
+ strncpy(match, current, pos);
+ match[pos] = '\0';
+ debug("%s matched '%s'", probe->name, match);
dev->flags |= probe->flags;
if (probe->flags & DEV_PROVIDES_HD ||
@@ -473,7 +477,10 @@ struct device HIDDEN
dev->probes[n++] = dev_probes[i];
current += pos;
- debug("current:%s", current);
+ if (current[0] == '\0')
+ debug("finished");
+ else
+ debug("current:'%s'", current);
last_successful_probe = i;
if (!*current || !strncmp(current, "block/", 6))
@@ -482,8 +489,8 @@ struct device HIDDEN
continue;
}
- debug("dev_probes[i+1]: %p dev->interface_type: %d\n",
- dev_probes[i+1], dev->interface_type);
+ debug("dev_probes[%d]: %p dev->interface_type: %d\n",
+ i+1, dev_probes[i+1], dev->interface_type);
if (dev_probes[i+1] == NULL && dev->interface_type == unknown) {
pos = 0;
rc = sscanf(current, "%*[^/]/%n", &pos);
@@ -499,8 +506,8 @@ slash_err:
if (!current[pos])
goto slash_err;
- debug("Cannot parse device link segment \"%s\"", current);
- debug("Skipping to \"%s\"", current + pos);
+ debug("Cannot parse device link segment '%s'", current);
+ debug("Skipping to '%s'", current + pos);
debug("This means we can only create abbreviated paths");
dev->flags |= DEV_ABBREV_ONLY;
i = last_successful_probe;
--
2.24.1
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