linux-kernel - [PATCH] [SCSI] dpt_i2o: Add a missing call to kfree

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Date:   Sat, 19 Nov 2016 18:42:34 +0100
From:   Quentin Lambert <lambert.quentin@...il.com>
To:     Adaptec OEM Raid Solutions <aacraid@...ptec.com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Cc:     Quentin Lambert <lambert.quentin@...il.com>
Subject: [PATCH] [SCSI] dpt_i2o: Add a missing call to kfree

Most error branches following the call to kzalloc 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@...il.com>

---
 drivers/scsi/dpt_i2o.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -1754,8 +1754,10 @@ static int adpt_i2o_passthru(adpt_hba* p
 	sg_offset = (msg[0]>>4)&0xf;
 	msg[2] = 0x40000000; // IOCTL context
 	msg[3] = adpt_ioctl_to_context(pHba, reply);
-	if (msg[3] == (u32)-1)
+	if (msg[3] == (u32)-1) {
+		kfree(reply);
 		return -EBUSY;
+	}
 
 	memset(sg_list,0, sizeof(sg_list[0])*pHba->sg_tablesize);
 	if(sg_offset) {