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authorPeng Li <lipeng321@huawei.com>2021-06-16 15:23:30 +0800
committerDavid S. Miller <davem@davemloft.net>2021-06-16 00:52:33 -0700
commit2076b3e61a323e38256be44289aa32ae12ecf79a (patch)
treed97f5b862da256cca715bb9e66a7c7f6d53a4ff7 /drivers/net/wan
parentnet: cosa: fix the code style issue about "foo* bar" (diff)
downloadlinux-dev-2076b3e61a323e38256be44289aa32ae12ecf79a.tar.xz
linux-dev-2076b3e61a323e38256be44289aa32ae12ecf79a.zip
net: cosa: replace comparison to NULL with "!chan->rx_skb"
According to the chackpatch.pl, comparison to NULL could be written "!chan->rx_skb". Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/wan')
-rw-r--r--drivers/net/wan/cosa.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c
index c051c6120e30..7b57233aeec9 100644
--- a/drivers/net/wan/cosa.c
+++ b/drivers/net/wan/cosa.c
@@ -719,7 +719,7 @@ static char *cosa_net_setup_rx(struct channel_data *chan, int size)
*/
kfree_skb(chan->rx_skb);
chan->rx_skb = dev_alloc_skb(size);
- if (chan->rx_skb == NULL) {
+ if (!chan->rx_skb) {
pr_notice("%s: Memory squeeze, dropping packet\n", chan->name);
chan->netdev->stats.rx_dropped++;
return NULL;
@@ -783,7 +783,7 @@ static ssize_t cosa_read(struct file *file,
return -ERESTARTSYS;
chan->rxdata = kmalloc(COSA_MTU, GFP_DMA|GFP_KERNEL);
- if (chan->rxdata == NULL) {
+ if (!chan->rxdata) {
mutex_unlock(&chan->rlock);
return -ENOMEM;
}
@@ -861,7 +861,7 @@ static ssize_t cosa_write(struct file *file,
/* Allocate the buffer */
kbuf = kmalloc(count, GFP_KERNEL|GFP_DMA);
- if (kbuf == NULL) {
+ if (!kbuf) {
up(&chan->wsem);
return -ENOMEM;
}