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[PATCH 1/4] cfg80211: allow vendor specific cipher suites

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From: Johannes Berg <johannes.berg@xxxxxxxxx>

cfg80211 currently rejects all cipher suites it
doesn't know about for key length checking
purposes. This can lead to inconsistencies when
a driver advertises an algorithm that cfg80211
doesn't know about. Remove this rejection so
drivers can specify any algorithm they like.

Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@xxxxxxxxx>
---
 net/wireless/util.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/net/wireless/util.c b/net/wireless/util.c
index 8d961cc..bca32eb 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -183,7 +183,14 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
 			return -EINVAL;
 		break;
 	default:
-		return -EINVAL;
+		/*
+		 * We don't know anything about this algorithm,
+		 * allow using it -- but the driver must check
+		 * all parameters! We still check below whether
+		 * or not the driver supports this algorithm,
+		 * of course.
+		 */
+		break;
 	}
 
 	if (params->seq) {
-- 
1.6.3.3

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