1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c
index 85b4d86772d8..70b0707fd9a9 100644
--- a/drivers/nfc/trf7970a.c
+++ b/drivers/nfc/trf7970a.c
@@ -336,7 +336,7 @@
 
 #define TRF7970A_NFC_TARGET_LEVEL_RFDET(v)      ((v) & 0x07)
 #define TRF7970A_NFC_TARGET_LEVEL_HI_RF         BIT(3)
-#define TRF7970A_NFC_TARGET_LEVEL_SDD_EN        BIT(3)
+#define TRF7970A_NFC_TARGET_LEVEL_SDD_EN        BIT(5)
 #define TRF7970A_NFC_TARGET_LEVEL_LD_S_4BYTES   (0x0 << 6)
 #define TRF7970A_NFC_TARGET_LEVEL_LD_S_7BYTES   (0x1 << 6)
 #define TRF7970A_NFC_TARGET_LEVEL_LD_S_10BYTES  (0x2 << 6)
@@ -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;
         }