linux-kernel - [PATCH] qlogicpti: Fix resource releasing in order handling path

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Message-Id: <20170508114214.17730-1-christophe.jaillet@wanadoo.fr>
Date:   Mon,  8 May 2017 13:42:14 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     jejb@...ux.vnet.ibm.com, martin.petersen@...cle.com
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] qlogicpti: Fix resource releasing in order handling path

Reorder 'fail_free_irq' and 'fail_unmap_regs' in order to correctly free
resources  in case of error.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/scsi/qlogicpti.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index 69bfc0a1aea3..e5aeb26bd9b1 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -1385,6 +1385,9 @@ static int qpti_sbus_probe(struct platform_device *op)
 			  qpti->req_cpu, qpti->req_dvma);
 #undef QSIZE
 
+fail_free_irq:
+	free_irq(qpti->irq, qpti);
+
 fail_unmap_regs:
 	of_iounmap(&op->resource[0], qpti->qregs,
 		   resource_size(&op->resource[0]));
@@ -1392,9 +1395,6 @@ static int qpti_sbus_probe(struct platform_device *op)
 		of_iounmap(&op->resource[0], qpti->sreg,
 			   sizeof(unsigned char));
 
-fail_free_irq:
-	free_irq(qpti->irq, qpti);
-
 fail_unlink:
 	scsi_host_put(host);
 
-- 
2.11.0