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authorJingoo Han <jg1.han@samsung.com>2014-04-17 12:08:40 +0200
committerDave Airlie <airlied@redhat.com>2014-04-30 01:48:50 +0200
commit293d3f6a70704691c3539bc3630ba1acbabc5c43 (patch)
treea4f205775e226dbe9808345979ce672a15805ce0 /drivers/gpu
parentMAINTAINERS: update maintainer entry for Exynos DP driver (diff)
downloadlinux-293d3f6a70704691c3539bc3630ba1acbabc5c43.tar.xz
linux-293d3f6a70704691c3539bc3630ba1acbabc5c43.zip
drm/exynos: dsi: use IS_ERR() to check devm_ioremap_resource() results
devm_ioremap_resource() returns an error pointer, not NULL. Thus, the result should be checked with IS_ERR(). Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_dsi.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index eb73e3bf2a0c..4ac438187568 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1426,9 +1426,9 @@ static int exynos_dsi_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
dsi->reg_base = devm_ioremap_resource(&pdev->dev, res);
- if (!dsi->reg_base) {
+ if (IS_ERR(dsi->reg_base)) {
dev_err(&pdev->dev, "failed to remap io region\n");
- return -EADDRNOTAVAIL;
+ return PTR_ERR(dsi->reg_base);
}
dsi->phy = devm_phy_get(&pdev->dev, "dsim");