[PATCH v2 5/7] drm/msm: Properly handle msm_ioremap() without name
From: Krzysztof Kozlowski <hidden>
Date: 2026-09-07 13:00:48
Also in:
dri-devel, linux-arm-msm, lkml
Subsystem:
drm driver for qualcomm display hardware, drm drivers, the rest · Maintainers:
Rob Clark, Dmitry Baryshkov, David Airlie, Simona Vetter, Linus Torvalds
msm_ioremap() accepts being called without name of the region to map and in such case maps by index 0. However error paths still use the name in error message. Signed-off-by: Krzysztof Kozlowski <redacted> --- drivers/gpu/drm/msm/msm_io_utils.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/msm_io_utils.c b/drivers/gpu/drm/msm/msm_io_utils.c
index a6efe1eac271..0a4ac0fc5fb5 100644
--- a/drivers/gpu/drm/msm/msm_io_utils.c
+++ b/drivers/gpu/drm/msm/msm_io_utils.c@@ -77,7 +77,8 @@ static void __iomem *_msm_ioremap(struct platform_device *pdev, const char *name if (!res) { if (!quiet) - DRM_DEV_ERROR(&pdev->dev, "failed to get memory resource: %s\n", name); + DRM_DEV_ERROR(&pdev->dev, "failed to get memory resource: %s\n", + (name ? name : "#0")); return ERR_PTR(-EINVAL); }
@@ -86,7 +87,8 @@ static void __iomem *_msm_ioremap(struct platform_device *pdev, const char *name ptr = devm_ioremap(&pdev->dev, res->start, size); if (!ptr) { if (!quiet) - DRM_DEV_ERROR(&pdev->dev, "failed to ioremap: %s\n", name); + DRM_DEV_ERROR(&pdev->dev, "failed to ioremap: %s\n", + (name ?: "#0")); return ERR_PTR(-ENOMEM); }
--
2.53.0