diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/notify/fanotify/fanotify_user.c | 36 |
1 files changed, 16 insertions, 20 deletions
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index db7467782e8..7d7c1387285 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -358,8 +358,8 @@ static __u32 fanotify_mark_add_to_mask(struct fsnotify_mark *fsn_mark, __u32 mas return mask & ~oldmask; } -static struct fsnotify_mark *fanotify_add_vfsmount_mark(struct fsnotify_group *group, - struct vfsmount *mnt, __u32 mask) +static int fanotify_add_vfsmount_mark(struct fsnotify_group *group, + struct vfsmount *mnt, __u32 mask) { struct fsnotify_mark *fsn_mark; __u32 added; @@ -370,27 +370,28 @@ static struct fsnotify_mark *fanotify_add_vfsmount_mark(struct fsnotify_group *g fsn_mark = kmem_cache_alloc(fanotify_mark_cache, GFP_KERNEL); if (!fsn_mark) - return ERR_PTR(-ENOMEM); + return -ENOMEM; fsnotify_init_mark(fsn_mark, fanotify_free_mark); ret = fsnotify_add_mark(fsn_mark, group, NULL, mnt, 0); if (ret) { fanotify_free_mark(fsn_mark); - return ERR_PTR(ret); + return ret; } } added = fanotify_mark_add_to_mask(fsn_mark, mask); + fsnotify_put_mark(fsn_mark); if (added) { if (added & ~group->mask) fsnotify_recalc_group_mask(group); if (added & ~mnt->mnt_fsnotify_mask) fsnotify_recalc_vfsmount_mask(mnt); } - return fsn_mark; + return 0; } -static struct fsnotify_mark *fanotify_add_inode_mark(struct fsnotify_group *group, - struct inode *inode, __u32 mask) +static int fanotify_add_inode_mark(struct fsnotify_group *group, + struct inode *inode, __u32 mask) { struct fsnotify_mark *fsn_mark; __u32 added; @@ -403,29 +404,30 @@ static struct fsnotify_mark *fanotify_add_inode_mark(struct fsnotify_group *grou fsn_mark = kmem_cache_alloc(fanotify_mark_cache, GFP_KERNEL); if (!fsn_mark) - return ERR_PTR(-ENOMEM); + return -ENOMEM; fsnotify_init_mark(fsn_mark, fanotify_free_mark); ret = fsnotify_add_mark(fsn_mark, group, inode, NULL, 0); if (ret) { fanotify_free_mark(fsn_mark); - return ERR_PTR(ret); + return ret; } } added = fanotify_mark_add_to_mask(fsn_mark, mask); + fsnotify_put_mark(fsn_mark); if (added) { if (added & ~group->mask) fsnotify_recalc_group_mask(group); if (added & ~inode->i_fsnotify_mask) fsnotify_recalc_inode_mask(inode); } - return fsn_mark; + return 0; } static int fanotify_add_mark(struct fsnotify_group *group, struct inode *inode, struct vfsmount *mnt, __u32 mask) { - struct fsnotify_mark *fsn_mark; + int ret; pr_debug("%s: group=%p inode=%p mnt=%p mask=%x\n", __func__, group, inode, mnt, mask); @@ -434,19 +436,13 @@ static int fanotify_add_mark(struct fsnotify_group *group, struct inode *inode, BUG_ON(!inode && !mnt); if (inode) - fsn_mark = fanotify_add_inode_mark(group, inode, mask); + ret = fanotify_add_inode_mark(group, inode, mask); else if (mnt) - fsn_mark = fanotify_add_vfsmount_mark(group, mnt, mask); + ret = fanotify_add_vfsmount_mark(group, mnt, mask); else BUG(); - if (IS_ERR(fsn_mark)) - goto out; - - /* match the init or the find.... */ - fsnotify_put_mark(fsn_mark); -out: - return PTR_ERR(fsn_mark); + return ret; } static bool fanotify_mark_validate_input(int flags, |