HID: uhid: Fix sending events with invalid data

This was detected because events with invalid types were arriving
to userspace.

The code before this patch would only work for the first event in the
queue (when uhid->tail is 0).

Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Reviewed-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Vinicius Costa Gomes authored and Jiri Kosina committed 2012-07-20 09:53:45 +02:00
1 parent 1a8b294ce6
commit adefb69b1b
1 file changed
+1 -1
+1 -1
View File
@@ -465,7 +465,7 @@ try_again:
goto try_again;
} else {
len = min(count, sizeof(**uhid->outq));
if (copy_to_user(buffer, &uhid->outq[uhid->tail], len)) {
if (copy_to_user(buffer, uhid->outq[uhid->tail], len)) {
ret = -EFAULT;
} else {
kfree(uhid->outq[uhid->tail]);