fsnotify: kzalloc fsnotify groups

Use kzalloc for fsnotify_groups so that none of the fields can leak any
information accidentally.

Signed-off-by: Eric Paris <eparis@redhat.com>

diff --git a/fs/notify/group.c b/fs/notify/group.c
index 0e16771..777ca82 100644 (file)
--- a/fs/notify/group.c
+++ b/fs/notify/group.c
@@ -207,7 +207,7 @@ struct fsnotify_group *fsnotify_obtain_group(unsigned int group_num, __u32 mask,
        struct fsnotify_group *group, *tgroup;
 
        /* very low use, simpler locking if we just always alloc */
-       group = kmalloc(sizeof(struct fsnotify_group), GFP_KERNEL);
+       group = kzalloc(sizeof(struct fsnotify_group), GFP_KERNEL);
        if (!group)
                return ERR_PTR(-ENOMEM);