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authorIngo Molnar <mingo@kernel.org>2012-04-25 08:59:16 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-25 08:59:16 +0200
commit3dbe927b1eddcbd66da1653168e33122aca84f4e (patch)
tree2357f4c55156597b1d07b9ea360b07086cd011e4 /fs/sysfs/dir.c
parentMerge tag 'v3.4-rc2' into perf/core (diff)
parentLinux 3.4-rc4 (diff)
downloadlinux-dev-3dbe927b1eddcbd66da1653168e33122aca84f4e.tar.xz
linux-dev-3dbe927b1eddcbd66da1653168e33122aca84f4e.zip
Merge tag 'v3.4-rc4' into perf/core
Merge v3.4-rc4 - we were on -rc2 before. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/sysfs/dir.c')
-rw-r--r--fs/sysfs/dir.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 2a7a3f5d1ca6..35a36d39fa2c 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -729,6 +729,9 @@ int sysfs_create_dir(struct kobject * kobj)
else
parent_sd = &sysfs_root;
+ if (!parent_sd)
+ return -ENOENT;
+
if (sysfs_ns_type(parent_sd))
ns = kobj->ktype->namespace(kobj);
type = sysfs_read_ns_type(kobj);
@@ -878,7 +881,6 @@ int sysfs_rename(struct sysfs_dirent *sd,
dup_name = sd->s_name;
sd->s_name = new_name;
- sd->s_hash = sysfs_name_hash(sd->s_ns, sd->s_name);
}
/* Move to the appropriate place in the appropriate directories rbtree. */
@@ -886,6 +888,7 @@ int sysfs_rename(struct sysfs_dirent *sd,
sysfs_get(new_parent_sd);
sysfs_put(sd->s_parent);
sd->s_ns = new_ns;
+ sd->s_hash = sysfs_name_hash(sd->s_ns, sd->s_name);
sd->s_parent = new_parent_sd;
sysfs_link_sibling(sd);