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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 před 13 roky
rodič
revize
adefb69b1b
1 změnil soubory, kde provedl 1 přidání a 1 odebrání
  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]);