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[realtek] Check for ioremap() failures

Signed-off-by: Michael Brown <mcb30@ipxe.org>
tags/v1.20.1
Michael Brown 10 years ago
parent
commit
857e4f56a7
1 changed files with 5 additions and 0 deletions
  1. 5
    0
      src/drivers/net/realtek.c

+ 5
- 0
src/drivers/net/realtek.c View File

@@ -1119,6 +1119,10 @@ static int realtek_probe ( struct pci_device *pci ) {
1119 1119
 
1120 1120
 	/* Map registers */
1121 1121
 	rtl->regs = ioremap ( pci->membase, RTL_BAR_SIZE );
1122
+	if ( ! rtl->regs ) {
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+		rc = -ENODEV;
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+		goto err_ioremap;
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+	}
1122 1126
 
1123 1127
 	/* Reset the NIC */
1124 1128
 	if ( ( rc = realtek_reset ( rtl ) ) != 0 )
@@ -1177,6 +1181,7 @@ static int realtek_probe ( struct pci_device *pci ) {
1177 1181
 	realtek_reset ( rtl );
1178 1182
  err_reset:
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 	iounmap ( rtl->regs );
1184
+ err_ioremap:
1180 1185
 	netdev_nullify ( netdev );
1181 1186
 	netdev_put ( netdev );
1182 1187
  err_alloc:

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