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authorLino Sanfilippo <LinoSanfilippo@gmx.de>2012-03-24 23:44:19 +0100
committerEric Paris <eparis@redhat.com>2012-12-11 13:44:37 -0500
commit8b99c3ccf735a2294c7842d236caa42e543e2c95 (patch)
treec111247a941553f858975a348541fb50d1de5e9f /fs/notify
parent03a1cec1f17ac1a6041996b3e40f96b5a2f90e1b (diff)
downloadlinux-linaro-stable-8b99c3ccf735a2294c7842d236caa42e543e2c95.tar.gz
inotify: dont skip removal of watch descriptor if creation of ignored event failed
In inotify_ignored_and_remove_idr() the removal of a watch descriptor is skipped if the allocation of an ignored event failed and we are leaking memory (the watch descriptor and the mark linked to it). This patch ensures that the watch descriptor is removed regardless of whether event creation failed or not. Signed-off-by: Lino Sanfilippo <LinoSanfilippo@gmx.de> Signed-off-by: Eric Paris <eparis@redhat.com>
Diffstat (limited to 'fs/notify')
-rw-r--r--fs/notify/inotify/inotify_user.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 68f7bec1e664..a6879d169241 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -513,13 +513,13 @@ void inotify_ignored_and_remove_idr(struct fsnotify_mark *fsn_mark,
struct fsnotify_event_private_data *fsn_event_priv;
int ret;
+ i_mark = container_of(fsn_mark, struct inotify_inode_mark, fsn_mark);
+
ignored_event = fsnotify_create_event(NULL, FS_IN_IGNORED, NULL,
FSNOTIFY_EVENT_NONE, NULL, 0,
GFP_NOFS);
if (!ignored_event)
- return;
-
- i_mark = container_of(fsn_mark, struct inotify_inode_mark, fsn_mark);
+ goto skip_send_ignore;
event_priv = kmem_cache_alloc(event_priv_cachep, GFP_NOFS);
if (unlikely(!event_priv))
@@ -541,9 +541,9 @@ void inotify_ignored_and_remove_idr(struct fsnotify_mark *fsn_mark,
}
skip_send_ignore:
-
/* matches the reference taken when the event was created */
- fsnotify_put_event(ignored_event);
+ if (ignored_event)
+ fsnotify_put_event(ignored_event);
/* remove this mark from the idr */
inotify_remove_from_idr(group, i_mark);