net/eth: Use correct in6_address offset in _eth_get_rss_ex_dst_addr()

philmd · jasowang · commit b565b44ec202 · 2021-03-22T17:34:31.000+08:00
The in6_address comes after the ip6_ext_hdr_routing header, not after the ip6_ext_hdr one. Fix the offset. Cc: qemu-stable@nongnu.org Reported-by: Stefano Garzarella <sgarzare@redhat.com> Fixes: eb70002 ("net_pkt: Extend packet abstraction as required by e1000e functionality") Reviewed-by: Miroslav Rezanina <mrezanin@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
diff --git a/net/eth.c b/net/eth.c
@@ -419,7 +419,7 @@ _eth_get_rss_ex_dst_addr(const struct iovec *pkt, int pkt_frags,
         }
 
         bytes_read = iov_to_buf(pkt, pkt_frags,
-                                rthdr_offset + sizeof(*ext_hdr),
+                                rthdr_offset + sizeof(*rthdr),
                                 dst_addr, sizeof(*dst_addr));
 
         return bytes_read == sizeof(*dst_addr);

Original file line number	Diff line number	Diff line change
`@@ -419,7 +419,7 @@ _eth_get_rss_ex_dst_addr(const struct iovec *pkt, int pkt_frags,`
`419`	`419`	`}`
`420`	`420`
`421`	`421`	`bytes_read = iov_to_buf(pkt, pkt_frags,`
`422`		`- rthdr_offset + sizeof(*ext_hdr),`
	`422`	`+ rthdr_offset + sizeof(*rthdr),`
`423`	`423`	`dst_addr, sizeof(*dst_addr));`
`424`	`424`
`425`	`425`	`return bytes_read == sizeof(*dst_addr);`