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backend/drm: fix crash on VT switch

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Don't set the MODE flag when disabling a CRTC. This fixes a NULL
pointer dereference in drm_connector_state_init.
This commit is contained in:
Simon Ser 2021-09-07 11:34:53 +02:00
parent 3c74bd0c91
commit 274c8189d4
1 changed files with 3 additions and 1 deletions
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4
backend/drm/backend.c
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@ -110,11 +110,13 @@ static void handle_session_active(struct wl_listener *listener, void *data) {
struct wlr_drm_connector *conn;
wl_list_for_each(conn, &drm->outputs, link) {
struct wlr_output_mode *mode = NULL;
uint32_t committed = WLR_OUTPUT_STATE_ENABLED;
if (conn->output.enabled && conn->output.current_mode != NULL) {
committed |= WLR_OUTPUT_STATE_MODE;
mode = conn->output.current_mode;
}
struct wlr_output_state state = {
.committed = WLR_OUTPUT_STATE_MODE | WLR_OUTPUT_STATE_ENABLED,
.committed = committed,
.enabled = mode != NULL,
.mode_type = WLR_OUTPUT_STATE_MODE_FIXED,
.mode = mode,