Re: [PATCH 3/4] scsi: mpi3mr: struct mpi3_sas_io_unit_page0: Replace 1-element array with flexible array

From: Gustavo A. R. Silva
Date: Thu Jul 11 2024 - 12:18:21 EST




On 11/07/24 09:56, Kees Cook wrote:
Replace the deprecated[1] use of a 1-element array in
struct mpi3_sas_io_unit_page0 with a modern flexible array.

No binary differences are present after this conversion.

Link: https://github.com/KSPP/linux/issues/79 [1]
Signed-off-by: Kees Cook <kees@xxxxxxxxxx>

Reviewed-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>

Thanks
--
Gustavo

---
Cc: Sathya Prakash Veerichetty <sathya.prakash@xxxxxxxxxxxx>
Cc: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>
Cc: Sumit Saxena <sumit.saxena@xxxxxxxxxxxx>
Cc: Sreekanth Reddy <sreekanth.reddy@xxxxxxxxxxxx>
Cc: "James E.J. Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Cc: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Cc: Ranjan Kumar <ranjan.kumar@xxxxxxxxxxxx>
Cc: mpi3mr-linuxdrv.pdl@xxxxxxxxxxxx
Cc: linux-scsi@xxxxxxxxxxxxxxx
---
drivers/scsi/mpi3mr/mpi/mpi30_cnfg.h | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/scsi/mpi3mr/mpi/mpi30_cnfg.h b/drivers/scsi/mpi3mr/mpi/mpi30_cnfg.h
index 6a19e17eb1a7..66cca35d8e52 100644
--- a/drivers/scsi/mpi3mr/mpi/mpi30_cnfg.h
+++ b/drivers/scsi/mpi3mr/mpi/mpi30_cnfg.h
@@ -1565,16 +1565,13 @@ struct mpi3_sas_io_unit0_phy_data {
__le32 reserved10;
};
-#ifndef MPI3_SAS_IO_UNIT0_PHY_MAX
-#define MPI3_SAS_IO_UNIT0_PHY_MAX (1)
-#endif
struct mpi3_sas_io_unit_page0 {
struct mpi3_config_page_header header;
__le32 reserved08;
u8 num_phys;
u8 init_status;
__le16 reserved0e;
- struct mpi3_sas_io_unit0_phy_data phy_data[MPI3_SAS_IO_UNIT0_PHY_MAX];
+ struct mpi3_sas_io_unit0_phy_data phy_data[];
};
#define MPI3_SASIOUNIT0_PAGEVERSION (0x00)