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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-03-18 21:38:20 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-03-18 21:38:20 +0000
commitc592c761a36286ab83451daa37a21c8558ea99c0 (patch)
tree8abf57708fabf2a915320e9515b1ae2730ebf499 /fs/sysfs/file.c
parent63236f4038f7e14762114606d95769c32cf6cac1 (diff)
parent33499df88b711725ee473ab5478e17efd21de4b0 (diff)
Merge remote-tracking branch 'regulator/topic/stub' into regulator-next
Diffstat (limited to 'fs/sysfs/file.c')
-rw-r--r--fs/sysfs/file.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 62f4fb37789e..00012e31829d 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -493,6 +493,12 @@ int sysfs_attr_ns(struct kobject *kobj, const struct attribute *attr,
const void *ns = NULL;
int err;
+ if (!dir_sd) {
+ WARN(1, KERN_ERR "sysfs: kobject %s without dirent\n",
+ kobject_name(kobj));
+ return -ENOENT;
+ }
+
err = 0;
if (!sysfs_ns_type(dir_sd))
goto out;