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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>
Vinicius Costa Gomes hace 13 años
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commit
adefb69b1b
Se han modificado 1 ficheros con 1 adiciones y 1 borrados
  1. 1 1
      drivers/hid/uhid.c

+ 1 - 1
drivers/hid/uhid.c

@@ -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]);