From aaee24accb9e374c04eb9672d5324160626462c5 Mon Sep 17 00:00:00 2001 From: Mark Greer Date: Wed, 19 Aug 2015 08:58:52 -0700 Subject: [PATCH] NFC: trf7970a: Add NULL check to clear up smatch warning Although it should be unnecessary, add a NULL pointer check to trf7970a_send_upstream() to eliminate a smatch warning. Reported-by: Dan Carpenter Signed-off-by: Mark Greer Signed-off-by: Samuel Ortiz --- drivers/nfc/trf7970a.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c index 08f23d75700e..70b0707fd9a9 100644 --- a/drivers/nfc/trf7970a.c +++ b/drivers/nfc/trf7970a.c @@ -629,7 +629,9 @@ static void trf7970a_send_upstream(struct trf7970a *trf) } if (trf->adjust_resp_len) { - skb_trim(trf->rx_skb, trf->rx_skb->len - 1); + if (trf->rx_skb) + skb_trim(trf->rx_skb, trf->rx_skb->len - 1); + trf->adjust_resp_len = false; } -- GitLab