scsi: hpsa: Fix allocation size for Scsi_Host private data

Source: Kernel.org
MR: 148161
Type: Integration
Disposition: Backport from git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable linux-5.10.y
ChangeID: 176fb7770d36a9f3ce81768b607a5b2eb961f2c1
Description:

[ Upstream commit 504e2be ]

struct Scsi_Host private data contains pointer to struct ctlr_info.

Restore allocation of only 8 bytes to store pointer in struct Scsi_Host
private data area.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: bbbd254 ("scsi: hpsa: Fix allocation size for scsi_host_alloc()")
Signed-off-by: Yuri Karpov <YKarpov@ispras.ru>
Link: https://lore.kernel.org/r/20240312170447.743709-1-YKarpov@ispras.ru
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Armin Kuster <akuster@mvista.com>

drivers/scsi/hpsa.c

@@ -5834,7 +5834,7 @@ static int hpsa_scsi_host_alloc(struct ctlr_info *h)
 {
 	struct Scsi_Host *sh;
 
-	sh = scsi_host_alloc(&hpsa_driver_template, sizeof(struct ctlr_info));
+	sh = scsi_host_alloc(&hpsa_driver_template, sizeof(struct ctlr_info *));
 	if (sh == NULL) {
 		dev_err(&h->pdev->dev, "scsi_host_alloc failed\n");
 		return -ENOMEM;