linux-kernel - [PATCH] scsi: hisi_sas: Add a missing call to kfree

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Date:   Sat, 19 Nov 2016 18:42:59 +0100
From:   Quentin Lambert <lambert.quentin@...il.com>
To:     John Garry <john.garry@...wei.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: hisi_sas: Add a missing call to kfree

Most error branches following the call to hisi_sas_shost_alloc 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/hisi_sas/hisi_sas_main.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -1503,8 +1503,10 @@ int hisi_sas_probe(struct platform_devic
 
 	arr_phy = devm_kcalloc(dev, phy_nr, sizeof(void *), GFP_KERNEL);
 	arr_port = devm_kcalloc(dev, port_nr, sizeof(void *), GFP_KERNEL);
-	if (!arr_phy || !arr_port)
-		return -ENOMEM;
+	if (!arr_phy || !arr_port) {
+		rc = -ENOMEM;
+		goto err_out_ha;
+	}
 
 	sha->sas_phy = arr_phy;
 	sha->sas_port = arr_port;