One-element and zero-length arrays are deprecated and should be replaced with flexible-array members: https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays Replace zero-length array with flexible-array member and make use of the struct_size() helper. Link: https://github.com/KSPP/linux/issues/78 Signed-off-by: José Expósito <jose.exposito89@xxxxxxxxx> --- drivers/net/ethernet/marvell/prestera/prestera_hw.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/marvell/prestera/prestera_hw.c b/drivers/net/ethernet/marvell/prestera/prestera_hw.c index 92cb5e9099c6..6282c9822e2b 100644 --- a/drivers/net/ethernet/marvell/prestera/prestera_hw.c +++ b/drivers/net/ethernet/marvell/prestera/prestera_hw.c @@ -443,7 +443,7 @@ struct prestera_msg_counter_resp { __le32 offset; __le32 num_counters; __le32 done; - struct prestera_msg_counter_stats stats[0]; + struct prestera_msg_counter_stats stats[]; }; struct prestera_msg_span_req { @@ -1900,7 +1900,7 @@ int prestera_hw_counters_get(struct prestera_switch *sw, u32 idx, .block_id = __cpu_to_le32(idx), .num_counters = __cpu_to_le32(*len), }; - size_t size = sizeof(*resp) + sizeof(*resp->stats) * (*len); + size_t size = struct_size(resp, stats, *len); int err, i; resp = kmalloc(size, GFP_KERNEL); -- 2.25.1
