From: Michael Brown <mcb30@ipxe.org>
Date: Wed, 16 Jul 2014 14:50:18 +0000 (+0100)
Subject: [realtek] Check for ioremap() failures
X-Git-Tag: v1.20.1~1129
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=857e4f56a73e03109b08ecef225644009e6f0e6f;p=thirdparty%2Fipxe.git

[realtek] Check for ioremap() failures

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

diff --git a/src/drivers/net/realtek.c b/src/drivers/net/realtek.c
index 7964475a2..0aca8c77f 100644
--- a/src/drivers/net/realtek.c
+++ b/src/drivers/net/realtek.c
@@ -1119,6 +1119,10 @@ static int realtek_probe ( struct pci_device *pci ) {
 
 	/* Map registers */
 	rtl->regs = ioremap ( pci->membase, RTL_BAR_SIZE );
+	if ( ! rtl->regs ) {
+		rc = -ENODEV;
+		goto err_ioremap;
+	}
 
 	/* Reset the NIC */
 	if ( ( rc = realtek_reset ( rtl ) ) != 0 )
@@ -1177,6 +1181,7 @@ static int realtek_probe ( struct pci_device *pci ) {
 	realtek_reset ( rtl );
  err_reset:
 	iounmap ( rtl->regs );
+ err_ioremap:
 	netdev_nullify ( netdev );
 	netdev_put ( netdev );
  err_alloc: