FAILED: patch "[PATCH] scsi: qla2xxx: Fix a recently introduced memory leak" failed to apply to 4.9-stable tree

[<gregkh@linuxfoundation.org>]

The patch below does not apply to the 4.9-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

>From 27873de99f2fecca0f6b257316489ef2a1d86ffd Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bart.vanassche@sandisk.com>
Date: Mon, 23 Jan 2017 08:34:45 -0800
Subject: [PATCH] scsi: qla2xxx: Fix a recently introduced memory leak

qla2x00_probe_one() allocates IRQs before it initializes rsp_q_map so
IRQs must be freed even if rsp_q_map allocation did not occur.  This was
detected by kmemleak.

Fixes: 4fa183455988 ("scsi: qla2xxx: Utilize pci_alloc_irq_vectors/pci_free_irq_vectors calls")
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Michael Hernandez <michael.hernandez@cavium.com>
Cc: Himanshu Madhani <himanshu.madhani@cavium.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: <stable@vger.kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-By: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 5815403d1d65..3116bf390b06 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -3237,7 +3237,7 @@ qla2x00_free_irqs(scsi_qla_host_t *vha)
 	 * from a probe failure context.
 	 */
 	if (!ha->rsp_q_map || !ha->rsp_q_map[0])
-		return;
+		goto free_irqs;
 	rsp = ha->rsp_q_map[0];
 
 	if (ha->flags.msix_enabled) {
@@ -3257,6 +3257,7 @@ qla2x00_free_irqs(scsi_qla_host_t *vha)
 		free_irq(pci_irq_vector(ha->pdev, 0), rsp);
 	}
 
+free_irqs:
 	pci_free_irq_vectors(ha->pdev);
 }