Commit 8e3c5005 authored by Johannes Berg's avatar Johannes Berg Committed by Al Viro

fs/9p: fix readdir()

Al Viro's IOV changes broke 9p readdir() because the new code
didn't abort the read when it returned nothing. The original
code checked if the combined error/length was <= 0 but in the
new code that accidentally got changed to just an error check.

Add back the return from the function when nothing is read.

Cc: Al Viro <>
Fixes: e1200fe6 ("9p: switch p9_client_read() to passing struct iov_iter *")
Signed-off-by: default avatarJohannes Berg <>
Signed-off-by: default avatarAl Viro <>
parent bb668734
......@@ -138,6 +138,8 @@ static int v9fs_dir_readdir(struct file *file, struct dir_context *ctx)
if (err)
return err;
if (n == 0)
return 0;
rdir->head = 0;
rdir->tail = n;
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