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From 4027b08d96c68919f51c768a23877283ef5aefb9 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Fri, 8 Mar 2019 11:11:46 +0000
Subject: [PATCH] staging: vc-sm-cma: Ensure mutex and idr are
destroyed
map_lock and kernelid_map are created in probe, but not released
in release should the vcsm service not connect (eg running the
cutdown firmware).
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
drivers/staging/vc04_services/vc-sm-cma/vc_sm.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/staging/vc04_services/vc-sm-cma/vc_sm.c
+++ b/drivers/staging/vc04_services/vc-sm-cma/vc_sm.c
@@ -752,7 +752,9 @@ static int bcm2835_vc_sm_cma_remove(stru
/* Stop the videocore shared memory service. */
vc_sm_cma_vchi_stop(&sm_state->sm_handle);
+ }
+ if (sm_state) {
idr_destroy(&sm_state->kernelid_map);
/* Free the memory for the state structure. */
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