target/linux/brcm2708/patches-4.19/950-0183-vcsm-Fix-an-NULL-dereference-in-the-import_dmabuf-er.patch

   1 From 654ca15f2234ce3677ed7c9eef5de588285b529a Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.org>
   3 Date: Wed, 14 Nov 2018 11:54:46 +0000
   4 Subject: [PATCH] vcsm: Fix an NULL dereference in the import_dmabuf
   5  error path
   6
   7 resource was dereferenced even though it was NULL.
   8
   9 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
  10 ---
  11  drivers/char/broadcom/vc_sm/vmcs_sm.c | 2 +-
  12  1 file changed, 1 insertion(+), 1 deletion(-)
  13
  14 --- a/drivers/char/broadcom/vc_sm/vmcs_sm.c
  15 +++ b/drivers/char/broadcom/vc_sm/vmcs_sm.c
  16 @@ -2315,8 +2315,8 @@ int vc_sm_ioctl_import_dmabuf(struct sm_
  17         return 0;
  18
  19  error:
  20 -       resource->res_stats[IMPORT_FAIL]++;
  21         if (resource) {
  22 +               resource->res_stats[IMPORT_FAIL]++;
  23                 vc_sm_resource_deceased(resource, 1);
  24                 kfree(resource);
  25         }