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authorMark Greer <mgreer@animalcreek.com>2015-08-19 18:58:52 +0300
committerSamuel Ortiz <sameo@linux.intel.com>2015-08-19 20:17:45 +0300
commitaaee24accb9e374c04eb9672d5324160626462c5 (patch)
tree30aabd85457fe9a9c9e71fb1dc8dae82394064ec /drivers/nfc
parentae291f79da57ef4cb747ae1940b37152d1a4e5cf (diff)
downloadlinux-aaee24accb9e374c04eb9672d5324160626462c5.tar.xz
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 <dan.carpenter@oracle.com> Signed-off-by: Mark Greer <mgreer@animalcreek.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/nfc')
-rw-r--r--drivers/nfc/trf7970a.c4
1 files changed, 3 insertions, 1 deletions
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;
}