[PATCH] i2c driver changes for 2.5.72

Greg KH greg at kroah.com
Wed Jun 18 20:25:09 CEST 2003


ChangeSet 1.1318.3.8, 2003/06/17 15:37:40-07:00, greg at kroah.com

I2C: fix resource leak in i2c-ali15x3.c


 drivers/i2c/busses/i2c-ali15x3.c |   18 +++++++++++-------
 1 files changed, 11 insertions(+), 7 deletions(-)


diff -Nru a/drivers/i2c/busses/i2c-ali15x3.c b/drivers/i2c/busses/i2c-ali15x3.c
--- a/drivers/i2c/busses/i2c-ali15x3.c	Wed Jun 18 11:19:16 2003
+++ b/drivers/i2c/busses/i2c-ali15x3.c	Wed Jun 18 11:19:16 2003
@@ -177,17 +177,18 @@
 	if(force_addr) {
 		dev_info(&ALI15X3_dev->dev, "forcing ISA address 0x%04X\n",
 			ali15x3_smba);
-		if (PCIBIOS_SUCCESSFUL !=
-		    pci_write_config_word(ALI15X3_dev, SMBBA, ali15x3_smba))
-			return -ENODEV;
-		if (PCIBIOS_SUCCESSFUL !=
-		    pci_read_config_word(ALI15X3_dev, SMBBA, &a))
-			return -ENODEV;
+		if (PCIBIOS_SUCCESSFUL != pci_write_config_word(ALI15X3_dev,
+								SMBBA,
+								ali15x3_smba))
+			goto error;
+		if (PCIBIOS_SUCCESSFUL != pci_read_config_word(ALI15X3_dev,
+								SMBBA, &a))
+			goto error;
 		if ((a & ~(ALI15X3_SMB_IOSIZE - 1)) != ali15x3_smba) {
 			/* make sure it works */
 			dev_err(&ALI15X3_dev->dev,
 				"force address failed - not supported?\n");
-			return -ENODEV;
+			goto error;
 		}
 	}
 	/* check if whole device is enabled */
@@ -219,6 +220,9 @@
 	dev_dbg(&ALI15X3_dev->dev, "iALI15X3_smba = 0x%X\n", ali15x3_smba);
 
 	return 0;
+error:
+	release_region(ali15x3_smba, ALI15X3_SMB_IOSIZE);
+	return -ENODEV;
 }
 
 /* Internally used pause function */




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