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Commit 58a2ab3a authored by Dan Carpenter's avatar Dan Carpenter Committed by Boris Brezillon
Browse files

drm: atmel-hlcdc: fix a NULL check 



If kmalloc() returned NULL we would end up dereferencing "state" a
couple lines later.

Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
parent c2e4c994

drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c

+3 −2
Original line number Original line Diff line number Diff line
@@ -414,7 +414,8 @@ atmel_hlcdc_crtc_duplicate_state(struct drm_crtc *crtc) 
		return NULL;

		return NULL;





	state = kmalloc(sizeof(*state), GFP_KERNEL);

	state = kmalloc(sizeof(*state), GFP_KERNEL);

	if (state)

	if (!state)

		return NULL;

	__drm_atomic_helper_crtc_duplicate_state(crtc, &state->base);

	__drm_atomic_helper_crtc_duplicate_state(crtc, &state->base);





	cur = drm_crtc_state_to_atmel_hlcdc_crtc_state(crtc->state);

	cur = drm_crtc_state_to_atmel_hlcdc_crtc_state(crtc->state);