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openwrt/target/linux/brcm2708/patches-4.14/950-0442-vcsm-Fix-an-NULL-d...

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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);
}