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.oetken@siemens.com>
Link: https://lore.kernel.org/r/20210202090304.2740471-1-ennoerlangen@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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