linux-kernel - [PATCH 3.16 049/136] memstick: jmb38x_ms: Fix an error handling path in 'jmb38x_ms

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Date:   Tue, 17 Dec 2019 00:46:23 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, Denis Kirjanov <kda@...ux-powerpc.org>,
        "Christophe JAILLET" <christophe.jaillet@...adoo.fr>,
        "Ulf Hansson" <ulf.hansson@...aro.org>
Subject: [PATCH 3.16 049/136] memstick: jmb38x_ms: Fix an error handling
 path in 'jmb38x_ms_probe()'

3.16.80-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Christophe JAILLET <christophe.jaillet@...adoo.fr>

commit 28c9fac09ab0147158db0baeec630407a5e9b892 upstream.

If 'jmb38x_ms_count_slots()' returns 0, we must undo the previous
'pci_request_regions()' call.

Goto 'err_out_int' to fix it.

Fixes: 60fdd931d577 ("memstick: add support for JMicron jmb38x MemoryStick host controller")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/memstick/host/jmb38x_ms.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/memstick/host/jmb38x_ms.c
+++ b/drivers/memstick/host/jmb38x_ms.c
@@ -947,7 +947,7 @@ static int jmb38x_ms_probe(struct pci_de
 	if (!cnt) {
 		rc = -ENODEV;
 		pci_dev_busy = 1;
-		goto err_out;
+		goto err_out_int;
 	}
 
 	jm = kzalloc(sizeof(struct jmb38x_ms)