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From dffde3390eb21fe0dc748a06894641a81d009b4e Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Wed, 14 Nov 2018 11:54:46 +0000
Subject: [PATCH 442/454] vcsm: Fix an NULL dereference in the import_dmabuf
 error path

resource was dereferenced even though it was NULL.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
 drivers/char/broadcom/vc_sm/vmcs_sm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/char/broadcom/vc_sm/vmcs_sm.c
+++ b/drivers/char/broadcom/vc_sm/vmcs_sm.c
@@ -2315,8 +2315,8 @@ int vc_sm_ioctl_import_dmabuf(struct sm_
        return 0;
 
 error:
-       resource->res_stats[IMPORT_FAIL]++;
        if (resource) {
+               resource->res_stats[IMPORT_FAIL]++;
                vc_sm_resource_deceased(resource, 1);
                kfree(resource);
        }