From: Jayachandran C <jchandra@digeo.com>
Date: Thu, 27 Oct 2005 22:51:13 +0000 (-0700)
Subject: [SCSI] Fix issue reported by coverity in drivers/scsi/scsi_ioctl.c
X-Git-Tag: v2.6.15-rc1~723^2~2^2~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4647722673994787bfa294a163fcb6955b93d417;p=pandora-kernel.git

[SCSI] Fix issue reported by coverity in drivers/scsi/scsi_ioctl.c

This patch attempts to fix an issue found in drivers/scsi/scsi_ioctl.c by Coverity.

Error reported:
CID: 3437
Checker: FORWARD_NULL (help)
File: /export2/p4-coverity/mc2/linux26/drivers/scsi/scsi_ioctl.c
Function: scsi_ioctl_send_command
Description: Variable "buf" tracked as NULL was passed to a function that dereferences it.

Patch description:
buf can be NULL if inlen and outlen are both 0. This patch adds check if the
length is non-zero before calling copy from/to user.

Signed-off-by: Jayachandran C. <c.jayachandran@gmail.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
---

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