linux-kernel - [PATCH] driver core: device.h: fix incorrect type in return expression

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Message-ID: <tencent_06B4B908579B884FEE392A1448602FAC9307@qq.com>
Date: Wed, 22 Jan 2025 15:35:03 +0800
From: xiaopeitux@...mail.com
To: gregkh@...uxfoundation.org,
	broonie@...nel.org,
	linux-kernel@...r.kernel.org
Cc: Pei Xiao <xiaopei01@...inos.cn>,
	kernel test robot <lkp@...el.com>
Subject: [PATCH] driver core: device.h: fix incorrect type in return expression

From: Pei Xiao <xiaopei01@...inos.cn>

sparse warnings:
	sparse: incorrect type in return expression, expected void
[noderef] __iomem *, got void *

Fix sparse warnings by use IOMEM_ERR_PTR

Fixes: da7c07b10838 ("driver core: Provide stubs for !IOMEM builds")
Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202501221439.YoPUrrqD-lkp@intel.com/
Signed-off-by: Pei Xiao <xiaopei01@...inos.cn>
---
 include/linux/device.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/device.h b/include/linux/device.h
index 667cb6db9019..d76c31b9f9b9 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -378,14 +378,14 @@ static inline
 void __iomem *devm_ioremap_resource(struct device *dev,
 				    const struct resource *res)
 {
-	return ERR_PTR(-EINVAL);
+	return IOMEM_ERR_PTR(-EINVAL);
 }
 
 static inline
 void __iomem *devm_ioremap_resource_wc(struct device *dev,
 				       const struct resource *res)
 {
-	return ERR_PTR(-EINVAL);
+	return IOMEM_ERR_PTR(-EINVAL);
 }
 
 static inline
@@ -393,7 +393,7 @@ void __iomem *devm_of_iomap(struct device *dev,
 			    struct device_node *node, int index,
 			    resource_size_t *size)
 {
-	return ERR_PTR(-EINVAL);
+	return IOMEM_ERR_PTR(-EINVAL);
 }
 
 #endif
-- 
2.25.1