From: Andreas Oetken <andreas.oet...@siemens.com>
sup_multicast_addr is passed to ether_addr_equal for address comparison
which casts the address inputs to u16 leading to an unaligned access.
Aligning the sup_multicast_addr to u16 boundary fixes the issue.
Signed-off-by: Andreas Oetken <andreas.oet...@siemens.com>
---
net/hsr/hsr_main.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/net/hsr/hsr_main.h b/net/hsr/hsr_main.h
index 7dc92ce5a134..a9c30a608e35 100644
--- a/net/hsr/hsr_main.h
+++ b/net/hsr/hsr_main.h
@@ -217,7 +217,10 @@ struct hsr_priv {
u8 net_id; /* for PRP, it occupies most significant 3 bits
* of lan_id
*/
- unsigned char sup_multicast_addr[ETH_ALEN];
+ unsigned char sup_multicast_addr[ETH_ALEN]
__aligned(sizeof(u16));
+ /* Align to u16 boundary to avoid unaligned
access
+ * in ether_addr_equal
+ */
#ifdef CONFIG_DEBUG_FS
struct dentry *node_tbl_root;
#endif
--
2.30.0
