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ath6kl: remove unnecessary check for NULL skb

Browse source 
dev_kfree_skb kernel API itself takes for checking for NULL
skb, so an explicit check is not required.

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Mohammed Shafi Shajakhan 2012-11-16 18:22:22 +05:30 committed by Kalle Valo
parent 895dc38677
commit e16ccfeefb
3 changed files with 8 additions and 17 deletions
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8
drivers/net/wireless/ath/ath6kl/htc_pipe.c
View file

@ -509,9 +509,7 @@ static void destroy_htc_txctrl_packet(struct htc_packet *packet)
{
struct sk_buff *skb;
skb = packet->skb;
if (skb != NULL)
dev_kfree_skb(skb);
dev_kfree_skb(skb);
kfree(packet);
}
@ -1054,6 +1052,7 @@ static int ath6kl_htc_pipe_rx_complete(struct ath6kl *ar, struct sk_buff *skb,
dev_kfree_skb(skb);
skb = NULL;
goto free_skb;
}
@ -1089,8 +1088,7 @@ static int ath6kl_htc_pipe_rx_complete(struct ath6kl *ar, struct sk_buff *skb,
skb = NULL;
free_skb:
if (skb != NULL)
dev_kfree_skb(skb);
dev_kfree_skb(skb);
return status;

6
drivers/net/wireless/ath/ath6kl/usb.c
View file

@ -159,10 +159,8 @@ static void ath6kl_usb_free_urb_to_pipe(struct ath6kl_usb_pipe *pipe,
static void ath6kl_usb_cleanup_recv_urb(struct ath6kl_urb_context *urb_context)
{
if (urb_context->skb != NULL) {
dev_kfree_skb(urb_context->skb);
urb_context->skb = NULL;
}
dev_kfree_skb(urb_context->skb);
urb_context->skb = NULL;
ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context);
}

11
drivers/net/wireless/ath/ath6kl/wmi.c
View file

@ -2481,16 +2481,11 @@ static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
free_cmd_skb:
/* free up any resources left over (possibly due to an error) */
if (skb)
dev_kfree_skb(skb);
dev_kfree_skb(skb);
free_data_skb:
for (index = 0; index < num_pri_streams; index++) {
if (data_sync_bufs[index].skb != NULL) {
dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].
skb);
}
}
for (index = 0; index < num_pri_streams; index++)
dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
return ret;
}