i2c: nforce2: Do PCI error check on own line

Instead of a if condition with a line split, use the usual error
handling pattern with a separate variable to improve readability.

No functional changes intended.

Signed-off-by: Ilpo Järvinen <[email protected]>
Reviewed-by: Andi Shyti <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>

Author: ij-intel

drivers/i2c/busses/i2c-nforce2.c

@@ -327,8 +327,8 @@ static int nforce2_probe_smb(struct pci_dev *dev, int bar, int alt_reg,
 		/* Older incarnations of the device used non-standard BARs */
 		u16 iobase;
 
-		if (pci_read_config_word(dev, alt_reg, &iobase)
-		    != PCIBIOS_SUCCESSFUL) {
+		error = pci_read_config_word(dev, alt_reg, &iobase);
+		if (error != PCIBIOS_SUCCESSFUL) {
 			dev_err(&dev->dev, "Error reading PCI config for %s\n",
 				name);
 			return -EIO;