Add additional error handling to pcidev_readbar() callers

This is mostly a leftover of Niklas' "remove exit call from pcidev_init" patch.
While not explicitly necessary detecting errors early is usually a good idea.

Binary file (standard input) matches

Corresponding to flashrom svn r1718.

1 files changed, 2 insertions, 0 deletions

diff --git a/nic3com.c b/nic3com.c
index 8d67b54..27e28c7 100644
--- a/nic3com.c
+++ b/nic3com.c
@@ -96,6 +96,8 @@ int nic3com_init(void)
 		return 1;
 
 	io_base_addr = pcidev_readbar(dev, PCI_BASE_ADDRESS_0);
+	if (!io_base_addr)
+		return 1;
 
 	id = dev->device_id;