[openwrt/openwrt] ath79: update 900-unaligned_access_hacks.patch after recent GRO change

[LEDE Commits]

nbd pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/366544083e94ce86287b2194942f924fd1a29647

commit 366544083e94ce86287b2194942f924fd1a29647
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Fri Apr 26 12:24:21 2024 +0200

    ath79: update 900-unaligned_access_hacks.patch after recent GRO change
    
    Fixes build error
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 .../ath79/patches-6.1/900-unaligned_access_hacks.patch    | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/target/linux/ath79/patches-6.1/900-unaligned_access_hacks.patch b/target/linux/ath79/patches-6.1/900-unaligned_access_hacks.patch
index e1c6835afd..da56bc306d 100644
--- a/target/linux/ath79/patches-6.1/900-unaligned_access_hacks.patch
+++ b/target/linux/ath79/patches-6.1/900-unaligned_access_hacks.patch
@@ -858,16 +858,25 @@ SVN-Revision: 35130
  
 --- a/net/ipv4/tcp_offload.c
 +++ b/net/ipv4/tcp_offload.c
-@@ -220,7 +220,7 @@ struct sk_buff *tcp_gro_receive(struct l
+@@ -60,7 +60,7 @@ static struct sk_buff *__tcpv4_gso_segme
+ 	th2 = tcp_hdr(seg->next);
+ 	iph2 = ip_hdr(seg->next);
  
- 		th2 = tcp_hdr(p);
+-	if (!(*(u32 *)&th->source ^ *(u32 *)&th2->source) &&
++	if (!(net_hdr_word(&th->source) ^ net_hdr_word(&th2->source)) &&
+ 	    iph->daddr == iph2->daddr && iph->saddr == iph2->saddr)
+ 		return segs;
+ 
+@@ -252,7 +252,7 @@ struct sk_buff *tcp_gro_lookup(struct li
+ 			continue;
  
+ 		th2 = tcp_hdr(p);
 -		if (*(u32 *)&th->source ^ *(u32 *)&th2->source) {
 +		if (net_hdr_word(&th->source) ^ net_hdr_word(&th2->source)) {
  			NAPI_GRO_CB(p)->same_flow = 0;
  			continue;
  		}
-@@ -238,8 +238,8 @@ found:
+@@ -318,8 +318,8 @@ struct sk_buff *tcp_gro_receive(struct l
  		  ~(TCP_FLAG_CWR | TCP_FLAG_FIN | TCP_FLAG_PSH));
  	flush |= (__force int)(th->ack_seq ^ th2->ack_seq);
  	for (i = sizeof(*th); i < thlen; i += 4)