drm/msm/mdp5: Add check for kzalloc
As kzalloc may fail and return NULL pointer, it should be better to check the return value in order to avoid the NULL pointer dereference. Fixes: 1cff7440 ("drm/msm: Convert to using __drm_atomic_helper_crtc_reset() for reset.") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/514154/ Link: https://lore.kernel.org/r/20221206074819.18134-1-jiasheng@iscas.ac.cnSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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