[PATCH] WAN: ioremap() failure checks in drivers
Eric Sesterhenn found that pci200syn initialization lacks return
statement in ioremap() error path (coverity bug id #195). It looks
like more WAN drivers have problems with ioremap().
Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/wan/c101.c b/drivers/net/wan/c101.c
index 43d854a..b60ef02 100644
--- a/drivers/net/wan/c101.c
+++ b/drivers/net/wan/c101.c
@@ -326,21 +326,21 @@
if (request_irq(irq, sca_intr, 0, devname, card)) {
printk(KERN_ERR "c101: could not allocate IRQ\n");
c101_destroy_card(card);
- return(-EBUSY);
+ return -EBUSY;
}
card->irq = irq;
if (!request_mem_region(winbase, C101_MAPPED_RAM_SIZE, devname)) {
printk(KERN_ERR "c101: could not request RAM window\n");
c101_destroy_card(card);
- return(-EBUSY);
+ return -EBUSY;
}
card->phy_winbase = winbase;
card->win0base = ioremap(winbase, C101_MAPPED_RAM_SIZE);
if (!card->win0base) {
printk(KERN_ERR "c101: could not map I/O address\n");
c101_destroy_card(card);
- return -EBUSY;
+ return -EFAULT;
}
card->tx_ring_buffers = TX_RING_BUFFERS;