commit 29ddae2a40883640941932f73eb3d15535c3f4a2
author Wei Yongjun <yongjun_wei@trendmicro.com.cn> Tue Jun 04 22:44:27 2013 +0800
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Thu Jun 06 12:54:08 2013 -0700
tree 9d26271f7af9fcb6d9ce80cd39936c126c860820
parent f7b41276b6b07f47c5f5212fa244385b0e3aaa30

pch_phub: fix error return code in pch_phub_probe()

Error code had been assigned to retval in some error handling case
but never use it, 0 is always returned in those case, this patch
fix them to return a negative error code.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/pch_phub.c

diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c
index 8b4d4fb..a5925f7f 100644
--- a/drivers/misc/pch_phub.c
+++ b/drivers/misc/pch_phub.c
@@ -665,8 +665,6 @@
 static int pch_phub_probe(struct pci_dev *pdev,
 				    const struct pci_device_id *id)
 {
-	int retval;
-
 	int ret;
 	struct pch_phub_reg *chip;
 
@@ -709,13 +707,13 @@
 	if (id->driver_data == 1) { /* EG20T PCH */
 		const char *board_name;
 
-		retval = sysfs_create_file(&pdev->dev.kobj,
-					   &dev_attr_pch_mac.attr);
-		if (retval)
+		ret = sysfs_create_file(&pdev->dev.kobj,
+					&dev_attr_pch_mac.attr);
+		if (ret)
 			goto err_sysfs_create;
 
-		retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr);
-		if (retval)
+		ret = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr);
+		if (ret)
 			goto exit_bin_attr;
 
 		pch_phub_read_modify_write_reg(chip,
@@ -739,8 +737,8 @@
 		chip->pch_opt_rom_start_address = PCH_PHUB_ROM_START_ADDR_EG20T;
 		chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_EG20T;
 	} else if (id->driver_data == 2) { /* ML7213 IOH */
-		retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr);
-		if (retval)
+		ret = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr);
+		if (ret)
 			goto err_sysfs_create;
 		/* set the prefech value
 		 * Device2(USB OHCI #1/ USB EHCI #1/ USB Device):a
@@ -762,12 +760,12 @@
 						 PCH_PHUB_ROM_START_ADDR_ML7223;
 		chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_ML7223;
 	} else if (id->driver_data == 4) { /* ML7223 IOH Bus-n*/
-		retval = sysfs_create_file(&pdev->dev.kobj,
-					   &dev_attr_pch_mac.attr);
-		if (retval)
+		ret = sysfs_create_file(&pdev->dev.kobj,
+					&dev_attr_pch_mac.attr);
+		if (ret)
 			goto err_sysfs_create;
-		retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr);
-		if (retval)
+		ret = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr);
+		if (ret)
 			goto exit_bin_attr;
 		/* set the prefech value
 		 * Device2(USB OHCI #0,1,2,3/ USB EHCI #0):a
@@ -779,13 +777,13 @@
 						 PCH_PHUB_ROM_START_ADDR_ML7223;
 		chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_ML7223;
 	} else if (id->driver_data == 5) { /* ML7831 */
-		retval = sysfs_create_file(&pdev->dev.kobj,
-					   &dev_attr_pch_mac.attr);
-		if (retval)
+		ret = sysfs_create_file(&pdev->dev.kobj,
+					&dev_attr_pch_mac.attr);
+		if (ret)
 			goto err_sysfs_create;
 
-		retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr);
-		if (retval)
+		ret = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr);
+		if (ret)
 			goto exit_bin_attr;
 
 		/* set the prefech value */