inotify: Fix error return code assignment flow.

If error code is initialized -EINVAL, there is no need to assign -EINVAL.

Link: https://lore.kernel.org/r/20200426143316.29877-1-her0gyugyu@gmail.com
Signed-off-by: youngjun <her0gyugyu@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>

diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 81ffc86..f88bbcc 100644 (file)
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -764,20 +764,18 @@ SYSCALL_DEFINE2(inotify_rm_watch, int, fd, __s32, wd)
        struct fsnotify_group *group;
        struct inotify_inode_mark *i_mark;
        struct fd f;
-       int ret = 0;
+       int ret = -EINVAL;
 
        f = fdget(fd);
        if (unlikely(!f.file))
                return -EBADF;
 
        /* verify that this is indeed an inotify instance */
-       ret = -EINVAL;
        if (unlikely(f.file->f_op != &inotify_fops))
                goto out;
 
        group = f.file->private_data;
 
-       ret = -EINVAL;
        i_mark = inotify_idr_find(group, wd);
        if (unlikely(!i_mark))
                goto out;