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authorDaniel Vetter <daniel.vetter@ffwll.ch>2019-12-13 18:26:05 +0100
committerSam Ravnborg <sam@ravnborg.org>2019-12-13 20:34:59 +0100
commit2840f1f0e4175bd0dac292408189332cc597d163 (patch)
tree3540f1bff622b67acecba99885b7670274085470 /drivers/gpu/drm/atmel-hlcdc
parent4b6dd3cae3cb53a2c45e5238d7c1af7c39cd4685 (diff)
downloadlinux-2840f1f0e4175bd0dac292408189332cc597d163.tar.gz
drm/atmel: plane_state->fb iff plane_state->crtc
Checking both is one too much, so wrap a WARN_ON around it to stope
the copypasta.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Boris Brezillon <bbrezillon@kernel.org>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191213172612.1514842-3-daniel.vetter@ffwll.ch
Diffstat (limited to 'drivers/gpu/drm/atmel-hlcdc')
-rw-r--r--drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
index 034f202dfe8f..40800ec5700a 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
@@ -604,7 +604,7 @@ static int atmel_hlcdc_plane_atomic_check(struct drm_plane *p,
 	int ret;
 	int i;
 
-	if (!state->base.crtc || !fb)
+	if (!state->base.crtc || WARN_ON(!fb))
 		return 0;
 
 	crtc_state = drm_atomic_get_existing_crtc_state(s->state, s->crtc);