# \[PATCH AUTOSEL 4.19 05/26\] NFC: st95hf: Fix memleak in st95hf\_in\_send\_cmd - From: Sasha Levin \ - Date: 2020-09-07 16:54:10 - List: netdev - Page: https://ratatoskr.run/netdev/2020/09/6096449 - Thread: https://ratatoskr.run/stable/2020/09/6096452/t.md ```text From: Dinghao Liu [ Upstream commit f97c04c316d8fea16dca449fdfbe101fbdfee6a2 ] When down_killable() fails, skb_resp should be freed just like when st95hf_spi_send() fails. Signed-off-by: Dinghao Liu Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/nfc/st95hf/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nfc/st95hf/core.c b/drivers/nfc/st95hf/core.c index 01acb6e533655..c4b6e29c07192 100644 --- a/drivers/nfc/st95hf/core.c +++ b/drivers/nfc/st95hf/core.c @@ -981,7 +981,7 @@ static int st95hf_in_send_cmd(struct nfc_digital_dev *ddev, rc = down_killable(&stcontext->exchange_lock); if (rc) { WARN(1, "Semaphore is not found up in st95hf_in_send_cmd\n"); - return rc; + goto free_skb_resp; } rc = st95hf_spi_send(&stcontext->spicontext, skb->data, -- 2.25.1 ```