From 3a02409fc83860c67197966f33d091f39c21ee63 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Wed, 16 Jul 2014 15:54:49 +0100 Subject: [PATCH] [natsemi] Check for ioremap() failures Signed-off-by: Michael Brown --- src/drivers/net/natsemi.c | 5 +++++ 1 file changed, 5 insertions(+) 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: