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From: Vijay Khemka <vijaykhemka@fb.com>
To: Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Joel Stanley <joel@jms.id.au>, Andrew Jeffery <andrew@aj.id.au>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-aspeed@lists.ozlabs.org>, <linux-kernel@vger.kernel.org>
Cc: "openbmc @ lists . ozlabs . org" <openbmc@lists.ozlabs.org>,
	vijaykhemka@fb.com
Subject: [PATCH] misc: aspeed-lpc-ctrl: Correct return values
Date: Wed, 23 Jan 2019 15:06:34 -0800
Message-ID: <20190123230634.1815021-1-vijaykhemka@fb.com> (raw)

Corrected some of return values with appropriate meanings.

Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
---
 drivers/misc/aspeed-lpc-ctrl.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/misc/aspeed-lpc-ctrl.c b/drivers/misc/aspeed-lpc-ctrl.c
index 332210e06e98..97ae341109d5 100644
--- a/drivers/misc/aspeed-lpc-ctrl.c
+++ b/drivers/misc/aspeed-lpc-ctrl.c
@@ -68,7 +68,6 @@ static long aspeed_lpc_ctrl_ioctl(struct file *file, unsigned int cmd,
 		unsigned long param)
 {
 	struct aspeed_lpc_ctrl *lpc_ctrl = file_aspeed_lpc_ctrl(file);
-	struct device *dev = file->private_data;
 	void __user *p = (void __user *)param;
 	struct aspeed_lpc_ctrl_mapping map;
 	u32 addr;
@@ -93,8 +92,8 @@ static long aspeed_lpc_ctrl_ioctl(struct file *file, unsigned int cmd,
 
 		/* If memory-region is not described in device tree */
 		if (!lpc_ctrl->mem_size) {
-			dev_err(dev, "Didn't find reserved memory\n");
-			return -EINVAL;
+			pr_err("aspeed_lpc_ctrl: ioctl: Didn't find reserved memory\n");
+			return -ENXIO;
 		}
 
 		map.size = lpc_ctrl->mem_size;
@@ -134,16 +133,16 @@ static long aspeed_lpc_ctrl_ioctl(struct file *file, unsigned int cmd,
 
 		if (map.window_type == ASPEED_LPC_CTRL_WINDOW_FLASH) {
 			if (!lpc_ctrl->pnor_size) {
-				dev_err(dev, "Didn't find host pnor flash\n");
-				return -EINVAL;
+				pr_err("aspeed_lpc_ctrl: ioctl: Didn't find host pnor flash\n");
+				return -ENXIO;
 			}
 			addr = lpc_ctrl->pnor_base;
 			size = lpc_ctrl->pnor_size;
 		} else if (map.window_type == ASPEED_LPC_CTRL_WINDOW_MEMORY) {
 			/* If memory-region is not described in device tree */
 			if (!lpc_ctrl->mem_size) {
-				dev_err(dev, "Didn't find reserved memory\n");
-				return -EINVAL;
+				pr_err("aspeed_lpc_ctrl: ioctl: Didn't find reserved memory\n");
+				return -ENXIO;
 			}
 			addr = lpc_ctrl->mem_base;
 			size = lpc_ctrl->mem_size;
@@ -239,7 +238,7 @@ static int aspeed_lpc_ctrl_probe(struct platform_device *pdev)
 		of_node_put(node);
 		if (rc) {
 			dev_err(dev, "Couldn't address to resource for reserved memory\n");
-			return -ENOMEM;
+			return -ENXIO;
 		}
 
 		lpc_ctrl->mem_size = resource_size(&resm);
-- 
2.17.1


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Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-23 23:06 Vijay Khemka [this message]
2019-01-24  8:15 ` Greg Kroah-Hartman
2019-01-24 19:29   ` Vijay Khemka
2019-02-11  5:22     ` Andrew Jeffery
2019-02-11 20:13       ` Vijay Khemka
2019-05-01 22:38 Vijay Khemka
2019-05-02  6:40 ` Greg Kroah-Hartman
2019-05-02  6:49   ` Andrew Jeffery
2019-05-03 17:55     ` Vijay Khemka

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