git.openwrt.org Git - openwrt/staging/yousong.git/blob

   1 From 47046caff7455c46f07b7fd816cdd23ab9801842 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.org>
   3 Date: Fri, 8 Mar 2019 11:11:46 +0000
   4 Subject: [PATCH 381/703] staging: vc-sm-cma: Ensure mutex and idr are
   5  destroyed
   6
   7 map_lock and kernelid_map are created in probe, but not released
   8 in release should the vcsm service not connect (eg running the
   9 cutdown firmware).
  10
  11 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
  12 ---
  13  drivers/staging/vc04_services/vc-sm-cma/vc_sm.c | 2 ++
  14  1 file changed, 2 insertions(+)
  15
  16 --- a/drivers/staging/vc04_services/vc-sm-cma/vc_sm.c
  17 +++ b/drivers/staging/vc04_services/vc-sm-cma/vc_sm.c
  18 @@ -752,7 +752,9 @@ static int bcm2835_vc_sm_cma_remove(stru
  19
  20                 /* Stop the videocore shared memory service. */
  21                 vc_sm_cma_vchi_stop(&sm_state->sm_handle);
  22 +       }
  23
  24 +       if (sm_state) {
  25                 idr_destroy(&sm_state->kernelid_map);
  26
  27                 /* Free the memory for the state structure. */