From 857e4f56a73e03109b08ecef225644009e6f0e6f Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Wed, 16 Jul 2014 15:50:18 +0100 Subject: [PATCH] [realtek] Check for ioremap() failures Signed-off-by: Michael Brown --- src/drivers/net/realtek.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/drivers/net/realtek.c b/src/drivers/net/realtek.c index 7964475a..0aca8c77 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: