p80211wext.c: problem with IW_ENCODE_ALG_WEP

From: Julia Lawall
Date: Tue May 05 2009 - 09:23:01 EST


From: Julia Lawall <julia@xxxxxxx>

The expression !(ext->alg & IW_ENCODE_ALG_WEP) appears to be incorrect,
because there are several possible values for ext->alg that give 1 when
bit-anded with IW_ENCODE_ALG_WEP. Therefore Richard Kennedy suggested to
rewrite the code with !=

Signed-off-by: Julia Lawall <julia@xxxxxxx>

---
.../drivers/staging/wlan-ng/p80211wext.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/wlan-ng/p80211wext.c b/drivers/staging/wlan-ng/p80211wext.c
index 96078b0..e00e305 100644
--- a/drivers/staging/wlan-ng/p80211wext.c
+++ b/drivers/staging/wlan-ng/p80211wext.c
@@ -1487,7 +1487,7 @@ static int p80211wext_set_encodeext(struct net_device *dev,
}

if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
- if (!(ext->alg & IW_ENCODE_ALG_WEP)) {
+ if (ext->alg != IW_ENCODE_ALG_WEP) {
pr_debug("asked to set a non wep key :(");
return -EINVAL;
}
--
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