linux-kernel - [PATCH 1/4] PCI/VGA: Use unsigned type for the io

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Message-Id: <20230630101731.134375-1-sui.jingfeng@linux.dev>
Date:   Fri, 30 Jun 2023 18:17:28 +0800
From:   Sui Jingfeng <sui.jingfeng@...ux.dev>
To:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        Sui Jingfeng <suijingfeng@...ngson.cn>,
        Andi Shyti <andi.shyti@...ux.intel.com>
Subject: [PATCH 1/4] PCI/VGA: Use unsigned type for the io_state variable

From: Sui Jingfeng <suijingfeng@...ngson.cn>

The io_state variable in the vga_arb_write() function is declared with
unsigned int type, while the vga_str_to_iostate() function takes int *
type. To keep them consistent, replace the third argument of
vga_str_to_iostate() function with the unsigned int * type.

Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Signed-off-by: Sui Jingfeng <suijingfeng@...ngson.cn>
Reviewed-by: Andi Shyti <andi.shyti@...ux.intel.com>
---
 drivers/pci/vgaarb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/vgaarb.c b/drivers/pci/vgaarb.c
index 5a696078b382..c1bc6c983932 100644
--- a/drivers/pci/vgaarb.c
+++ b/drivers/pci/vgaarb.c
@@ -77,7 +77,7 @@ static const char *vga_iostate_to_str(unsigned int iostate)
 	return "none";
 }
 
-static int vga_str_to_iostate(char *buf, int str_size, int *io_state)
+static int vga_str_to_iostate(char *buf, int str_size, unsigned int *io_state)
 {
 	/* we could in theory hand out locks on IO and mem
 	 * separately to userspace but it can cause deadlocks */
-- 
2.25.1