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Wed, 11 Jan 2023 10:52:00 +0800 From: Miles Chen To: Chun-Kuang Hu , Philipp Zabel , David Airlie , Daniel Vetter , Matthias Brugger , CK Hu CC: , Miles Chen , , , Subject: [PATCH v2] drm/mediatek: stop using 0 as NULL pointer Date: Wed, 11 Jan 2023 10:44:41 +0800 Message-ID: <20230111024443.24559-1-miles.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230111_031243_411075_EBC8A86E X-CRM114-Status: GOOD ( 12.11 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Use NULL for NULL pointer to fix the following sparse warning: drivers/gpu/drm/mediatek/mtk_drm_gem.c:265:27: sparse: warning: Using plain integer as NULL pointer Fixes: 3df64d7b0a4f ("drm/mediatek: Implement gem prime vmap/vunmap function") Signed-off-by: Miles Chen Reviewed-by: AngeloGioacchino Del Regno --- Change since v1: Add Fixes tag --- drivers/gpu/drm/mediatek/mtk_drm_gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c index 47e96b0289f9..06aadd5e7f5b 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c @@ -262,6 +262,6 @@ void mtk_drm_gem_prime_vunmap(struct drm_gem_object *obj, return; vunmap(vaddr); - mtk_gem->kvaddr = 0; + mtk_gem->kvaddr = NULL; kfree(mtk_gem->pages); }