From: Mark Haverkamp <markh@osdl.org>
Date: Wed, 30 Nov 2005 20:01:39 +0000 (-0800)
Subject: [SCSI] aacraid: Check scsi_bios_ptabe return code
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=8bdf810f89c3e686ba18a11e2852f32014f1506a;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

[SCSI] aacraid: Check scsi_bios_ptabe return code

Received from Mark Salyzyn.

scsi_bios_ptable return value is not being checked in aac_biosparm.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
---

diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index ab383d1f59e..3cb68af9045 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -325,6 +325,8 @@ static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 	 *	translations ( 64/32, 128/32, 255/63 ).
 	 */
 	buf = scsi_bios_ptable(bdev);
+	if (!buf)
+		return 0;
 	if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
 		struct partition *first = (struct partition * )buf;
 		struct partition *entry = first;