staging: cxt1e1: fix checkpatch error 'assignment in if condition'

checkpatch.pl error:
 ERROR: do not use assignment in if condition
Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/cxt1e1/hwprobe.c

@@ -142,8 +142,8 @@ hdw_sn_get(hdw_info_t *hi, int brdno)
 			hi->mfg_info.Serial[5]);
 #endif
 
-	if ((hi->promfmt = pmc_verify_cksum(&hi->mfg_info.data)) == PROM_FORMAT_Unk)
-	{
+	hi->promfmt = pmc_verify_cksum(&hi->mfg_info.data);
+	if (hi->promfmt == PROM_FORMAT_Unk) {
 		/* bad crc, data is suspect */
 		if (cxt1e1_log_level >= LOG_WARN)
 			pr_info("%s: EEPROM cksum error\n", hi->devname);
@@ -232,8 +232,8 @@ c4_hdw_init(struct pci_dev *pdev, int found)
 	unsigned char busno = 0xff;
 
 	/* our MUSYCC chip supports two functions, 0 & 1 */
-	if ((fun = PCI_FUNC(pdev->devfn)) > 1)
-	{
+	fun = PCI_FUNC(pdev->devfn);
+	if (fun > 1) {
 		pr_warning("unexpected devfun: 0x%x\n", pdev->devfn);
 		return 0;
 	}
@@ -380,11 +380,11 @@ c4hw_attach_all(void)
 		}
 		pci_set_master(hi->pdev[0]);
 		pci_set_master(hi->pdev[1]);
-		if (!(hi->ndev = c4_add_dev(hi, i, (long) hi->addr_mapped[0],
-					    (long) hi->addr_mapped[1],
-					    hi->pdev[0]->irq,
-					    hi->pdev[1]->irq)))
-		{
+		hi->ndev = c4_add_dev(hi, i, (long) hi->addr_mapped[0],
+				      (long) hi->addr_mapped[1],
+				      hi->pdev[0]->irq,
+				      hi->pdev[1]->irq);
+		if (!hi->ndev) {
 			drvr_state = SBE_DRVR_DOWN;
 			cleanup_ioremap();
 			/* NOTE: c4_add_dev() does its own device cleanup */