diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0413-drm-vc4-hdmi-Don-t-access-the-connector-state-in-res.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0413-drm-vc4-hdmi-Don-t-access-the-connector-state-in-res.patch | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0413-drm-vc4-hdmi-Don-t-access-the-connector-state-in-res.patch b/target/linux/bcm27xx/patches-5.10/950-0413-drm-vc4-hdmi-Don-t-access-the-connector-state-in-res.patch deleted file mode 100644 index b524ba277e..0000000000 --- a/target/linux/bcm27xx/patches-5.10/950-0413-drm-vc4-hdmi-Don-t-access-the-connector-state-in-res.patch +++ /dev/null @@ -1,35 +0,0 @@ -From e1b4f5c3970e14abe197f328077b348b4969e68f Mon Sep 17 00:00:00 2001 -From: Maxime Ripard <maxime@cerno.tech> -Date: Tue, 15 Dec 2020 16:42:38 +0100 -Subject: [PATCH] drm/vc4: hdmi: Don't access the connector state in - reset if kmalloc fails - -drm_atomic_helper_connector_reset uses kmalloc which, from an API -standpoint, can fail, and thus setting connector->state to NULL. -However, our reset hook then calls drm_atomic_helper_connector_tv_reset -that will access connector->state without checking if it's a valid -pointer or not. - -Make sure we don't end up accessing a NULL pointer. - -Acked-by: Thomas Zimmermann <tzimmermann@suse.de> -Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com> -Suggested-by: Dave Stevenson <dave.stevenson@raspberrypi.com> -Signed-off-by: Maxime Ripard <maxime@cerno.tech> ---- - drivers/gpu/drm/vc4/vc4_hdmi.c | 4 +++- - 1 file changed, 3 insertions(+), 1 deletion(-) - ---- a/drivers/gpu/drm/vc4/vc4_hdmi.c -+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c -@@ -216,7 +216,9 @@ static int vc4_hdmi_connector_get_modes( - static void vc4_hdmi_connector_reset(struct drm_connector *connector) - { - drm_atomic_helper_connector_reset(connector); -- drm_atomic_helper_connector_tv_reset(connector); -+ -+ if (connector->state) -+ drm_atomic_helper_connector_tv_reset(connector); - } - - static const struct drm_connector_funcs vc4_hdmi_connector_funcs = { |