sunrpc: fix braino in ->poll()
authorAl Viro <viro@ZenIV.linux.org.uk>
Sat, 7 Mar 2015 21:08:46 +0000 (21:08 +0000)
committerBen Hutchings <ben@decadent.org.uk>
Sat, 9 May 2015 22:16:24 +0000 (23:16 +0100)
commit 1711fd9addf214823b993468567cab1f8254fc51 upstream.

POLL_OUT isn't what callers of ->poll() are expecting to see; it's
actually __SI_POLL | 2 and it's a siginfo code, not a poll bitmap
bit...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Bruce Fields <bfields@fieldses.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
net/sunrpc/cache.c

index 237a2ee..7de935a 100644 (file)
@@ -909,7 +909,7 @@ static unsigned int cache_poll(struct file *filp, poll_table *wait,
        poll_wait(filp, &queue_wait, wait);
 
        /* alway allow write */
-       mask = POLL_OUT | POLLWRNORM;
+       mask = POLLOUT | POLLWRNORM;
 
        if (!rp)
                return mask;