Gcc reports it needs 19 bytes to right to disk->serial. Because the type of argument i is int. But the meaning of i is failed disk number. So it doesn't need to use 19 bytes. Just add a type conversion to avoid this building error Signed-off-by: Xiao Ni <xni@xxxxxxxxxx> --- super-intel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/super-intel.c b/super-intel.c index 343f20d..e1618f1 100644 --- a/super-intel.c +++ b/super-intel.c @@ -5228,7 +5228,7 @@ static int init_super_imsm_volume(struct supertype *st, mdu_array_info_t *info, disk->status = CONFIGURED_DISK | FAILED_DISK; disk->scsi_id = __cpu_to_le32(~(__u32)0); snprintf((char *) disk->serial, MAX_RAID_SERIAL_LEN, - "missing:%d", i); + "missing:%d", (__u8)i); } find_missing(super); } else { -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html