brcm2708: rename target to bcm27xx
[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.19 / 950-0419-staging-mmal-vchiq-Fix-memory-leak-in-error-path.patch
diff --git a/target/linux/brcm2708/patches-4.19/950-0419-staging-mmal-vchiq-Fix-memory-leak-in-error-path.patch b/target/linux/brcm2708/patches-4.19/950-0419-staging-mmal-vchiq-Fix-memory-leak-in-error-path.patch
deleted file mode 100644 (file)
index bfa88dd..0000000
+++ /dev/null
@@ -1,67 +0,0 @@
-From 250db0df9643d122e00313313102c642f1adac72 Mon Sep 17 00:00:00 2001
-From: Dave Stevenson <dave.stevenson@raspberrypi.org>
-Date: Thu, 2 May 2019 15:50:01 +0100
-Subject: [PATCH] staging: mmal-vchiq: Fix memory leak in error path
-
-On error, vchiq_mmal_component_init could leave the
-event context allocated for ports.
-Clean them up in the error path.
-
-Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
----
- .../vc04_services/vchiq-mmal/mmal-vchiq.c     | 27 +++++++++++++------
- 1 file changed, 19 insertions(+), 8 deletions(-)
-
---- a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
-+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
-@@ -1848,9 +1848,26 @@ static void free_event_context(struct vc
- {
-       struct mmal_msg_context *ctx = port->event_context;
-+      if (!ctx)
-+              return;
-+
-       kfree(ctx->u.bulk.buffer->buffer);
-       kfree(ctx->u.bulk.buffer);
-       release_msg_context(ctx);
-+      port->event_context = NULL;
-+}
-+
-+static void release_all_event_contexts(struct vchiq_mmal_component *component)
-+{
-+      int idx;
-+
-+      for (idx = 0; idx < component->inputs; idx++)
-+              free_event_context(&component->input[idx]);
-+      for (idx = 0; idx < component->outputs; idx++)
-+              free_event_context(&component->output[idx]);
-+      for (idx = 0; idx < component->clocks; idx++)
-+              free_event_context(&component->clock[idx]);
-+      free_event_context(&component->control);
- }
- /* Initialise a mmal component and its ports
-@@ -1948,6 +1965,7 @@ int vchiq_mmal_component_init(struct vch
- release_component:
-       destroy_component(instance, component);
-+      release_all_event_contexts(component);
- unlock:
-       if (component)
-               component->in_use = 0;
-@@ -1975,14 +1993,7 @@ int vchiq_mmal_component_finalise(struct
-       component->in_use = 0;
--      for (idx = 0; idx < component->inputs; idx++)
--              free_event_context(&component->input[idx]);
--      for (idx = 0; idx < component->outputs; idx++)
--              free_event_context(&component->output[idx]);
--      for (idx = 0; idx < component->clocks; idx++)
--              free_event_context(&component->clock[idx]);
--
--      free_event_context(&component->control);
-+      release_all_event_contexts(component);
-       mutex_unlock(&instance->vchiq_mutex);