scsi: megaraid_sas: Replace one-element array with flexible-array member in MR_FW_RAI...

One-element arrays are deprecated, and we are replacing them with flexible
array members instead. So, replace one-element array with flexible-array
member in struct MR_FW_RAID_MAP_DYNAMIC.

This helps with the ongoing efforts to tighten the FORTIFY_SOURCE routines
on memcpy().

Link: https://github.com/KSPP/linux/issues/79
Link: https://github.com/KSPP/linux/issues/109
Link: https://lore.kernel.org/r/896476f8fe43cf83b491c6c13f59c9ace780d82c.1660592640.git.gustavoars@kernel.org
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h
index 5530c233fccbb77b527670faa69cc5113b94438e..66e13b74fcdcd78294c151a3c9b21daacf0d0895 100644 (file)
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.h
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.h
@@ -1053,7 +1053,7 @@ struct MR_FW_RAID_MAP_DYNAMIC {
        struct MR_RAID_MAP_DESC_TABLE
                        raid_map_desc_table[RAID_MAP_DESC_TYPE_COUNT];
        /* Variable Size buffer containing all data */
-       u32 raid_map_desc_data[1];
+       u32 raid_map_desc_data[];
 }; /* Dynamicaly sized RAID MAp structure */
 
 #define IEEE_SGE_FLAGS_ADDR_MASK            (0x03)