cfg80211: propagate set_wiphy failure to userspace

If driver failed to setup wiphy params (e.g. rts
threshold, fragmentation treshold) userspace
wasn't properly notified about this. This could
lead to user confusion who would think the command
succeeded even if that wasn't the case.

Signed-off-by: Michal Kazior <[email protected]>
Signed-off-by: Johannes Berg <[email protected]>

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 76b41578a838e3bed8596c5950ffbd6881d54a64..5849fa199f7733a0a67291b19ec2acdf2be72c23 100644 (file)
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2321,6 +2321,7 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
                        rdev->wiphy.frag_threshold = old_frag_threshold;
                        rdev->wiphy.rts_threshold = old_rts_threshold;
                        rdev->wiphy.coverage_class = old_coverage_class;
+                       return result;
                }
        }
        return 0;