Jelajahi Sumber

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 13 tahun lalu
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adefb69b1b
1 mengubah file dengan 1 tambahan dan 1 penghapusan
  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]);