forked from luck/tmp_suning_uos_patched
inotify: Fix mask checks
The mask checks in inotify_update_existing_watch() and inotify_new_watch() are useless because inotify_arg_to_mask() sets FS_IN_IGNORED and FS_EVENT_ON_CHILD bits anyway. Signed-off-by: Eric Paris <eparis@redhat.com>
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@ -566,7 +566,7 @@ static int inotify_update_existing_watch(struct fsnotify_group *group,
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/* don't allow invalid bits: we don't want flags set */
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mask = inotify_arg_to_mask(arg);
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if (unlikely(!mask))
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if (unlikely(!(mask & IN_ALL_EVENTS)))
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return -EINVAL;
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fsn_mark = fsnotify_find_inode_mark(group, inode);
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@ -624,7 +624,7 @@ static int inotify_new_watch(struct fsnotify_group *group,
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/* don't allow invalid bits: we don't want flags set */
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mask = inotify_arg_to_mask(arg);
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if (unlikely(!mask))
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if (unlikely(!(mask & IN_ALL_EVENTS)))
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return -EINVAL;
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tmp_i_mark = kmem_cache_alloc(inotify_inode_mark_cachep, GFP_KERNEL);
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