diff options
| author | Juuso Oikarinen <juuso.oikarinen@nokia.com> | 2010-03-26 13:53:27 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-03-31 22:39:15 +0400 |
| commit | cbf7f3058ea17d9413a6889c3a229e8eac7a7c78 (patch) | |
| tree | fee31dc54bd0b9ddfe6967d2aaa376aa39bc9203 /drivers/net/wireless/wl12xx/wl1271_tx.c | |
| parent | 64e29e447ec01d2130b4c68f3459cfaa94fa138b (diff) | |
| download | linux-cbf7f3058ea17d9413a6889c3a229e8eac7a7c78.tar.xz | |
wl1271: Fix memory leak in firmware crash scenario
The driver tx-queue flush operation leaks broadcast-frames. This leak occurs
if the driver is shut down while there are frames in TX buffers (such as in
a firmware crash scenario.) Fix the leak.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_tx.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_tx.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/wl1271_tx.c index 5712489f5ddb..66b48b70444e 100644 --- a/drivers/net/wireless/wl12xx/wl1271_tx.c +++ b/drivers/net/wireless/wl12xx/wl1271_tx.c @@ -426,8 +426,10 @@ void wl1271_tx_flush(struct wl1271 *wl) wl1271_debug(DEBUG_TX, "flushing skb 0x%p", skb); - if (!(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)) - continue; + if (!(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)) { + kfree_skb(skb); + continue; + } ieee80211_tx_status(wl->hw, skb); } @@ -437,8 +439,10 @@ void wl1271_tx_flush(struct wl1271 *wl) skb = wl->tx_frames[i]; info = IEEE80211_SKB_CB(skb); - if (!(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)) + if (!(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)) { + kfree_skb(skb); continue; + } ieee80211_tx_status(wl->hw, skb); wl->tx_frames[i] = NULL; |