[PATCH] sysfs: handle failures in sysfs_make_dirent
From: Greg KH
Date: Wed Jan 04 2006 - 19:52:18 EST
[PATCH] sysfs: handle failures in sysfs_make_dirent
I noticed that if sysfs_make_dirent fails to allocate the sd, then a
null will be passed to sysfs_put.
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
commit e80a5dea8e056d8f398be1900d61c581d379f02f
tree 97d6e0d1c669987c54961bec49347b3717e55d52
parent 8218ef80932aa7e5e3d20c929a640c8d82133a9a
author Steven Rostedt <rostedt@xxxxxxxxxxx> Wed, 23 Nov 2005 09:15:44 -0500
committer Greg Kroah-Hartman <gregkh@xxxxxxx> Wed, 04 Jan 2006 16:18:09 -0800
fs/sysfs/dir.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 59734ba..d367803 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -112,7 +112,11 @@ static int create_dir(struct kobject * k
}
}
if (error && (error != -EEXIST)) {
- sysfs_put((*d)->d_fsdata);
+ struct sysfs_dirent *sd = (*d)->d_fsdata;
+ if (sd) {
+ list_del_init(&sd->s_sibling);
+ sysfs_put(sd);
+ }
d_drop(*d);
}
dput(*d);
-
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