6.18-stable review patch. If anyone has any objections, please let me know.
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From: Abdun Nihaal nihaal@cse.iitm.ac.in
[ Upstream commit 5e88e864118c20e63a1571d0ff0a152e5d684959 ]
In one of the error paths, the memory allocated for skb_rx is not freed. Fix that by freeing it before returning.
Fixes: a910e4a94f69 ("cw1200: add driver for the ST-E CW1100 & CW1200 WLAN chipsets") Signed-off-by: Abdun Nihaal nihaal@cse.iitm.ac.in Link: https://patch.msgid.link/20251110175316.106591-1-nihaal@cse.iitm.ac.in Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/st/cw1200/bh.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/st/cw1200/bh.c b/drivers/net/wireless/st/cw1200/bh.c index 3b4ded2ac801c..37232ee220375 100644 --- a/drivers/net/wireless/st/cw1200/bh.c +++ b/drivers/net/wireless/st/cw1200/bh.c @@ -317,10 +317,12 @@ static int cw1200_bh_rx_helper(struct cw1200_common *priv,
if (wsm_id & 0x0400) { int rc = wsm_release_tx_buffer(priv, 1); - if (WARN_ON(rc < 0)) + if (WARN_ON(rc < 0)) { + dev_kfree_skb(skb_rx); return rc; - else if (rc > 0) + } else if (rc > 0) { *tx = 1; + } }
/* cw1200_wsm_rx takes care on SKB livetime */