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authorYuanjun Gong <ruc_gongyuanjun@163.com>2023-07-22 22:25:11 +0800
committerJakub Kicinski <kuba@kernel.org>2023-07-24 15:37:56 -0700
commited96824b71ed67664390890441b229423a25317f (patch)
tree326b4a83966f7d5b6511c029a0ea86c59f2ecbf7
parent22117b3ae6e37d07225653d9ae5ae86b3a54f99c (diff)
atheros: fix return value check in atl1_tso()
in atl1_tso(), it should check the return value of pskb_trim(), and return an error code if an unexpected value is returned by pskb_trim(). Fixes: 401c0aabec4b ("atl1: simplify tx packet descriptor") Signed-off-by: Yuanjun Gong <ruc_gongyuanjun@163.com> Link: https://lore.kernel.org/r/20230722142511.12448-1-ruc_gongyuanjun@163.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/ethernet/atheros/atlx/atl1.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/atheros/atlx/atl1.c b/drivers/net/ethernet/atheros/atlx/atl1.c
index c8444bcdf527..02aa6fd8ebc2 100644
--- a/drivers/net/ethernet/atheros/atlx/atl1.c
+++ b/drivers/net/ethernet/atheros/atlx/atl1.c
@@ -2113,8 +2113,11 @@ static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb,
real_len = (((unsigned char *)iph - skb->data) +
ntohs(iph->tot_len));
- if (real_len < skb->len)
- pskb_trim(skb, real_len);
+ if (real_len < skb->len) {
+ err = pskb_trim(skb, real_len);
+ if (err)
+ return err;
+ }
hdr_len = skb_tcp_all_headers(skb);
if (skb->len == hdr_len) {
iph->check = 0;