* [PATCH net-next] mac80211: fix error handling in ieee80211_register_hw()
@ 2018-09-26 12:17 Wei Yongjun
0 siblings, 0 replies; only message in thread
From: Wei Yongjun @ 2018-09-26 12:17 UTC (permalink / raw)
To: Johannes Berg; +Cc: Wei Yongjun, linux-wireless, kernel-janitors
Fix to return a negative error code -ENOMEM from the kmemdup
error handling case instead of 0.
Fixes: 09b4a4faf9d0 ("mac80211: introduce capability flags for VHT EXT NSS support")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
net/mac80211/main.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 7738101..e6375d0 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1203,8 +1203,10 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
continue;
sband = kmemdup(sband, sizeof(*sband), GFP_KERNEL);
- if (!sband)
+ if (!sband) {
+ result = -ENOMEM;
goto fail_rate;
+ }
wiphy_dbg(hw->wiphy, "copying sband (band %d) due to VHT EXT NSS BW flag\n",
band);
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