diff mbox

[w-t,3/3] rt2500usb: disallow to set WEP key with non zero index

Message ID 20100727144818.6012.48437.send-patch@dhcp-lab-109.englab.brq.redhat.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Stanislaw Gruszka July 27, 2010, 2:48 p.m. UTC 
None
diff mbox

Patch

diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 3028abb..bf059cd 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -351,6 +351,14 @@  static int rt2500usb_config_key(struct rt2x00_dev *rt2x00dev,
 
 	if (crypto->cmd == SET_KEY) {
 		/*
+		 * Disallow to set WEP key other than with index 0,
+		 * it is known that not work at least on some hardware.
+		 * SW crypto will be used in that case.
+		 */
+		if (key->alg == ALG_WEP && key->keyidx != 0)
+			return -EOPNOTSUPP;
+
+		/*
 		 * Pairwise key will always be entry 0, but this
 		 * could collide with a shared key on the same
 		 * position...