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modesetting: Check for NULL mode_output before printing warning message

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Fixes: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1816

Signed-off-by: Martin von Gagern <gagern@google.com>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1938>
This commit is contained in:
Martin von Gagern
2025-08-03 22:05:02 +03:00
committed by Enrico Weigelt
parent 40845a467e
commit 7789b3ff88
1 changed files with 13 additions and 5 deletions
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18
hw/xfree86/drivers/video/modesetting/drmmode_display.c
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@@ -4218,11 +4218,19 @@ drmmode_update_kms_state(drmmode_ptr drmmode)
drmmode_set_mode_major(crtc, &crtc->mode, crtc->rotation,
crtc->x, crtc->y);
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"hotplug event: connector %u's link-state is BAD, "
"tried resetting the current mode. You may be left"
"with a black screen if this fails...\n",
drmmode_output->mode_output->connector_id);
drmModeConnectorPtr mode_output = drmmode_output->mode_output;
if (mode_output) {
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"hotplug event: connector %u's link-state is BAD, "
"tried resetting the current mode. You may be left "
"with a black screen if this fails...\n",
mode_output->connector_id);
} else {
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"hotplug event: NULL connector's link-state is BAD, "
"tried resetting the current mode. You may be left "
"with a black screen if this fails...\n");
}
}
break;
}