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authorYuanjun Gong <ruc_gongyuanjun@163.com>2023-07-20 17:42:19 +0300
committerJakub Kicinski <kuba@kernel.org>2023-07-25 01:43:02 +0300
commit69a184f7a372aac588babfb0bd681aaed9779f5b (patch)
tree9ae3a308227926a1bae0c2c490df57fb232d06fc /drivers
parented96824b71ed67664390890441b229423a25317f (diff)
downloadlinux-69a184f7a372aac588babfb0bd681aaed9779f5b.tar.xz
ethernet: atheros: fix return value check in atl1e_tso_csum()
in atl1e_tso_csum, it should check the return value of pskb_trim(), and return an error code if an unexpected value is returned by pskb_trim(). Fixes: a6a5325239c2 ("atl1e: Atheros L1E Gigabit Ethernet driver") Signed-off-by: Yuanjun Gong <ruc_gongyuanjun@163.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Link: https://lore.kernel.org/r/20230720144219.39285-1-ruc_gongyuanjun@163.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/atheros/atl1e/atl1e_main.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
index 5db0f3495a32..5935be190b9e 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
@@ -1641,8 +1641,11 @@ static int atl1e_tso_csum(struct atl1e_adapter *adapter,
real_len = (((unsigned char *)ip_hdr(skb) - skb->data)
+ ntohs(ip_hdr(skb)->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 (unlikely(skb->len == hdr_len)) {