The patch titled
partitions: check the return value of kobject_add etc
has been removed from the -mm tree. Its filename was
partitions-check-the-return-value-of-kobject_add-etc.patch
This patch was dropped because changes in Greg's tree broke it for the 17th
time and I'm tired of fixing it
------------------------------------------------------
Subject: partitions: check the return value of kobject_add etc
From: WANG Cong <[EMAIL PROTECTED]>
Since kobject_add, sysfs_create_link and sysfs_create_file are marked as
'__must_check', we must always check their return values.
Signed-off-by: WANG Cong <[EMAIL PROTECTED]>
Acked-by: Cornelia Huck <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
fs/partitions/check.c | 25 ++++++++++++++++++++-----
1 file changed, 20 insertions(+), 5 deletions(-)
diff -puN
fs/partitions/check.c~partitions-check-the-return-value-of-kobject_add-etc
fs/partitions/check.c
--- a/fs/partitions/check.c~partitions-check-the-return-value-of-kobject_add-etc
+++ a/fs/partitions/check.c
@@ -383,26 +383,41 @@ void add_partition(struct gendisk *disk,
p->policy = disk->policy;
if (isdigit(disk->kobj.name[strlen(disk->kobj.name)-1]))
-
snprintf(p->kobj.name,KOBJ_NAME_LEN,"%sp%d",disk->kobj.name,part);
+ snprintf(p->kobj.name, KOBJ_NAME_LEN, "%sp%d",
+ disk->kobj.name, part);
else
-
snprintf(p->kobj.name,KOBJ_NAME_LEN,"%s%d",disk->kobj.name,part);
+ snprintf(p->kobj.name, KOBJ_NAME_LEN, "%s%d",
+ disk->kobj.name, part);
p->kobj.parent = &disk->kobj;
p->kobj.ktype = &ktype_part;
kobject_init(&p->kobj);
- kobject_add(&p->kobj);
+ if (kobject_add(&p->kobj))
+ goto out_put;
if (!disk->part_uevent_suppress)
kobject_uevent(&p->kobj, KOBJ_ADD);
- sysfs_create_link(&p->kobj, &block_subsys.kobj, "subsystem");
+ if (sysfs_create_link(&p->kobj, &block_subsys.kobj, "subsystem"))
+ goto out_uevent;
if (flags & ADDPART_FLAG_WHOLEDISK) {
static struct attribute addpartattr = {
.name = "whole_disk",
.mode = S_IRUSR | S_IRGRP | S_IROTH,
};
- sysfs_create_file(&p->kobj, &addpartattr);
+ if (sysfs_create_file(&p->kobj, &addpartattr))
+ goto out_link;
}
partition_sysfs_add_subdir(p);
disk->part[part-1] = p;
+ return;
+
+out_link:
+ sysfs_remove_link(&p->kobj, "subsystem");
+out_uevent:
+ if (!disk->part_uevent_suppress)
+ kobject_uevent(&p->kobj, KOBJ_REMOVE);
+ kobject_del(&p->kobj);
+out_put:
+ kobject_put(&p->kobj);
}
static char *make_block_name(struct gendisk *disk)
_
Patches currently in -mm which might be from [EMAIL PROTECTED] are
partitions-check-the-return-value-of-kobject_add-etc.patch
-
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