[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@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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 @@
}
}
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);