Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-09-20 06:53:04 +00:00
Code Issues Packages Projects Releases Wiki Activity

scsi: message: fusion: struct _CONFIG_PAGE_RAID_PHYS_DISK_1: Replace 1-element array with flexible array

Browse Source 
Replace the deprecated[1] use of a 1-element array in struct
_CONFIG_PAGE_RAID_PHYS_DISK_1 with a modern flexible array.

Additionally add __counted_by annotation since Path is only ever accessed
via a loops bounded by NumPhysDiskPaths:

lsi/mpi_cnfg.h:    RAID_PHYS_DISK1_PATH            Path[] __counted_by(NumPhysDiskPaths);/* 0Ch */
mptbase.c:      phys_disk->NumPhysDiskPaths = buffer->NumPhysDiskPaths;
mptbase.c:      for (i = 0; i < phys_disk->NumPhysDiskPaths; i++) {
mptbase.c:              phys_disk->Path[i].PhysDiskID = buffer->Path[i].PhysDiskID;
mptbase.c:              phys_disk->Path[i].PhysDiskBus = buffer->Path[i].PhysDiskBus;

No binary differences are present after this conversion.

Link: https://github.com/KSPP/linux/issues/79 [1]
Signed-off-by: Kees Cook <kees@kernel.org>
Link: https://lore.kernel.org/r/20240711172821.123936-3-kees@kernel.org
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Kees Cook 2024-07-11 10:28:17 -07:00 committed by Martin K. Petersen
parent 14c1f88c7f
commit dc8932fbf6
1 changed files with 1 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/message/fusion/lsi/mpi_cnfg.h
View File

@ -2447,14 +2447,6 @@ typedef struct _RAID_PHYS_DISK1_PATH
#define MPI_RAID_PHYSDISK1_FLAG_INVALID (0x0001)
/*
* Host code (drivers, BIOS, utilities, etc.) should leave this define set to
* one and check Header.PageLength or NumPhysDiskPaths at runtime.
*/
#ifndef MPI_RAID_PHYS_DISK1_PATH_MAX
#define MPI_RAID_PHYS_DISK1_PATH_MAX (1)
#endif
typedef struct _CONFIG_PAGE_RAID_PHYS_DISK_1
{
CONFIG_PAGE_HEADER Header; /* 00h */
@ -2462,7 +2454,7 @@ typedef struct _CONFIG_PAGE_RAID_PHYS_DISK_1
U8 PhysDiskNum; /* 05h */
U16 Reserved2; /* 06h */
U32 Reserved1; /* 08h */
RAID_PHYS_DISK1_PATH Path[MPI_RAID_PHYS_DISK1_PATH_MAX];/* 0Ch */
RAID_PHYS_DISK1_PATH Path[] __counted_by(NumPhysDiskPaths);/* 0Ch */
} CONFIG_PAGE_RAID_PHYS_DISK_1, MPI_POINTER PTR_CONFIG_PAGE_RAID_PHYS_DISK_1,
RaidPhysDiskPage1_t, MPI_POINTER pRaidPhysDiskPage1_t;