brcm2708: update to latest patches from RPi foundation

[openwrt/openwrt.git] / target / linux / brcm2708 / patches-4.19 / 950-0325-staging-vc-sm-cma-Ensure-mutex-and-idr-are-destroyed.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0325-staging-vc-sm-cma-Ensure-mutex-and-idr-are-destroyed.patch b/target/linux/brcm2708/patches-4.19/950-0325-staging-vc-sm-cma-Ensure-mutex-and-idr-are-destroyed.patch
new file mode 100644 (file)
index 0000000..6133840
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0325-staging-vc-sm-cma-Ensure-mutex-and-idr-are-destroyed.patch
@@ -0,0 +1,27 @@
+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. */