Commit 9a868c8a authored by Bart Van Assche's avatar Bart Van Assche Committed by Martin K. Petersen
Browse files

scsi: ufs: core: Add a compile-time structure size check 

Before modifying struct ufshcd_sg_entry, add a compile-time structure size
check.

Link: https://lore.kernel.org/r/20211020214024.2007615-10-bvanassche@acm.org


Acked-by: default avatarAvri Altman <Avri.Altman@wdc.com>
Signed-off-by: default avatarBart Van Assche <bvanassche@acm.org>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 3ad317a1

drivers/scsi/ufs/ufshcd.c

+5 −0
Original line number Diff line number Diff line
@@ -9791,6 +9791,11 @@ static int __init ufshcd_core_init(void) 
{

	int ret;



	/* Verify that there are no gaps in struct utp_transfer_cmd_desc. */

	static_assert(sizeof(struct utp_transfer_cmd_desc) ==

		      2 * ALIGNED_UPIU_SIZE +

			      SG_ALL * sizeof(struct ufshcd_sg_entry));



	ufs_debugfs_init();



	ret = scsi_register_driver(&ufs_dev_wlun_template.gendrv);