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authorPeng Li <lipeng321@huawei.com>2021-05-28 03:12:44 +0300
committerJakub Kicinski <kuba@kernel.org>2021-05-29 00:08:11 +0300
commit168a196ffcff6aee6834cf73fc60d5cc387a0d85 (patch)
tree3e5b21da80cb797dc6b3782e7589fd01f30a9467 /drivers/net/wan/hdlc_fr.c
parent30e7720d379ad868ae7a510457ad8f2bf44ef056 (diff)
downloadlinux-168a196ffcff6aee6834cf73fc60d5cc387a0d85.tar.xz
net: hdlc_fr: move out assignment in if condition
Should not use assignment in if condition. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/wan/hdlc_fr.c')
-rw-r--r--drivers/net/wan/hdlc_fr.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c
index 512ef79459da..a39e5082c20f 100644
--- a/drivers/net/wan/hdlc_fr.c
+++ b/drivers/net/wan/hdlc_fr.c
@@ -937,7 +937,8 @@ static int fr_rx(struct sk_buff *skb)
pvc->state.becn ^= 1;
}
- if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL) {
+ skb = skb_share_check(skb, GFP_ATOMIC);
+ if (!skb) {
frad->stats.rx_dropped++;
return NET_RX_DROP;
}
@@ -1064,7 +1065,8 @@ static int fr_add_pvc(struct net_device *frad, unsigned int dlci, int type)
struct net_device *dev;
int used;
- if ((pvc = add_pvc(frad, dlci)) == NULL) {
+ pvc = add_pvc(frad, dlci);
+ if (!pvc) {
netdev_warn(frad, "Memory squeeze on fr_add_pvc()\n");
return -ENOBUFS;
}
@@ -1121,10 +1123,12 @@ static int fr_del_pvc(hdlc_device *hdlc, unsigned int dlci, int type)
struct pvc_device *pvc;
struct net_device *dev;
- if ((pvc = find_pvc(hdlc, dlci)) == NULL)
+ pvc = find_pvc(hdlc, dlci);
+ if (!pvc)
return -ENOENT;
- if ((dev = *get_dev_p(pvc, type)) == NULL)
+ dev = *get_dev_p(pvc, type);
+ if (!dev)
return -ENOENT;
if (dev->flags & IFF_UP)