From: Michael Brown <mcb30@ipxe.org>
Date: Wed, 16 Jul 2014 14:54:49 +0000 (+0100)
Subject: [natsemi] Check for ioremap() failures
X-Git-Tag: v1.20.1~1125
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3a02409fc83860c67197966f33d091f39c21ee63;p=thirdparty%2Fipxe.git

[natsemi] Check for ioremap() failures

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---

diff --git a/src/drivers/net/natsemi.c b/src/drivers/net/natsemi.c
index 669fb8775..9f2c3029c 100644
--- a/src/drivers/net/natsemi.c
+++ b/src/drivers/net/natsemi.c
@@ -854,6 +854,10 @@ static int natsemi_probe ( struct pci_device *pci ) {
 
 	/* Map registers */
 	natsemi->regs = ioremap ( pci->membase, NATSEMI_BAR_SIZE );
+	if ( ! natsemi->regs ) {
+		rc = -ENODEV;
+		goto err_ioremap;
+	}
 
 	/* Reset the NIC */
 	if ( ( rc = natsemi_reset ( natsemi ) ) != 0 )
@@ -881,6 +885,7 @@ static int natsemi_probe ( struct pci_device *pci ) {
 	natsemi_reset ( natsemi );
  err_reset:
 	iounmap ( natsemi->regs );
+ err_ioremap:
 	netdev_nullify ( netdev );
 	netdev_put ( netdev );
  err_alloc: