From: Quentin Lambert <lambert.quentin@gmail.com>
Date: Sat, 19 Nov 2016 18:22:56 +0000 (+0100)
Subject: xen-scsifront: Add a missing call to kfree
X-Git-Tag: v4.1.12-102.0.20170601_1400~213^2~24^2~16
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=0b0cd699bf95b8eec74f5161a784499c25c0b588;p=users%2Fjedix%2Flinux-maple.git

xen-scsifront: Add a missing call to kfree

Most error branches following the call to kmalloc contain
a call to kfree. This patch add these calls where they are
missing.

This issue was found with Hector.

Signed-off-by: Quentin Lambert <lambert.quentin@gmail.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>

OraBug: 25497392

(cherry picked from commit 1eb08545c0a3a2249ad53e393383cc06163d0d16)
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
---

diff --git a/drivers/scsi/xen-scsifront.c b/drivers/scsi/xen-scsifront.c
index 7e817c64f3851..c01316c6c7b13 100644
--- a/drivers/scsi/xen-scsifront.c
+++ b/drivers/scsi/xen-scsifront.c
@@ -627,6 +627,7 @@ static int scsifront_action_handler(struct scsi_cmnd *sc, uint8_t act)
 
 	if (scsifront_enter(info)) {
 		spin_unlock_irq(host->host_lock);
+		kfree(shadow);
 		return FAILED;
 	}