[PATCH] NFC: st21nfca: add missed kfree_skb() in an error path

[Chuhong Yuan]

st21nfca_tm_send_atr_res() misses to call kfree_skb() in an error path.
Add the missed function call to fix it.

Fixes: 1892bf844ea0 ("NFC: st21nfca: Adding P2P support to st21nfca in 
Initiator & Target mode")
Signed-off-by: Chuhong Yuan <hsleste...@gmail.com>
---
 drivers/nfc/st21nfca/dep.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/nfc/st21nfca/dep.c b/drivers/nfc/st21nfca/dep.c
index a1d69f9b2d4a..0b9ca6d20ffa 100644
--- a/drivers/nfc/st21nfca/dep.c
+++ b/drivers/nfc/st21nfca/dep.c
@@ -173,8 +173,10 @@ static int st21nfca_tm_send_atr_res(struct nfc_hci_dev 
*hdev,
                memcpy(atr_res->gbi, atr_req->gbi, gb_len);
                r = nfc_set_remote_general_bytes(hdev->ndev, atr_res->gbi,
                                                  gb_len);
-               if (r < 0)
+               if (r < 0) {
+                       kfree_skb(skb);
                        return r;
+               }
        }
 
        info->dep_info.curr_nfc_dep_pni = 0;
-- 
2.26.2