We can remove the NULL check here. It triggers a Smatch warning because
list_first_entry() never is NULL and people who check for it normally
intend to check for list_empty() instead. In these cases however,
we've already verified that the lists are not empty.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/net/wireless/ath/ath6kl/htc_pipe.c b/drivers/net/wireless/ath/ath6kl/htc_pipe.c
index b277b34..b21a69f 100644
--- a/drivers/net/wireless/ath/ath6kl/htc_pipe.c
+++ b/drivers/net/wireless/ath/ath6kl/htc_pipe.c
@@ -108,8 +108,6 @@ static void get_htc_packet_credit_based(struct htc_target *target,
/* get packet at head, but don't remove it */
packet = list_first_entry(&ep->txq, struct htc_packet, list);
- if (packet == NULL)
- break;
ath6kl_dbg(ATH6KL_DBG_HTC,
"%s: got head packet:0x%p , queue depth: %d\n",
@@ -803,8 +801,6 @@ static int htc_send_packets_multiple(struct htc_target *target,
/* get first packet to find out which ep the packets will go into */
packet = list_first_entry(pkt_queue, struct htc_packet, list);
- if (packet == NULL)
- return -EINVAL;
if (packet->endpoint >= ENDPOINT_MAX) {
WARN_ON_ONCE(1);
@@ -1636,10 +1632,6 @@ static int ath6kl_htc_pipe_add_rxbuf_multiple(struct htc_target *target,
return -EINVAL;
first = list_first_entry(pkt_queue, struct htc_packet, list);
- if (first == NULL) {
- WARN_ON_ONCE(1);
- return -EINVAL;
- }
if (first->endpoint >= ENDPOINT_MAX) {
WARN_ON_ONCE(1);
--
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