From: Borislav Petkov <[email protected]>
Add error handling to the kobject_add()-call and signal (the even highly
unlikely) error condition.
Signed-off-by: Borislav Petkov <[email protected]>
--
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 722e12e..5490e33 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -371,11 +371,12 @@ void delete_partition(struct gendisk *disk, int part)
void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len, int flags)
{
struct hd_struct *p;
+ int err = -EINVAL;
p = kzalloc(sizeof(*p), GFP_KERNEL);
if (!p)
return;
-
+
p->start_sect = start;
p->nr_sects = len;
p->partno = part;
@@ -390,7 +391,13 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len,
p->kobj.parent = &disk->kobj;
p->kobj.ktype = &ktype_part;
kobject_init(&p->kobj);
- kobject_add(&p->kobj);
+
+ err = kobject_add(&p->kobj);
+ if (err) {
+ pr_err("%s: Error adding %s to sysfs\n", __FUNCTION__,
+ kobject_name(&p->kobj));
+ }
+
if (!disk->part_uevent_suppress)
kobject_uevent(&p->kobj, KOBJ_ADD);
sysfs_create_link(&p->kobj, &block_subsys.kobj, "subsystem");
--
Regards/Gruß,
Boris.
-
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