pcnet32: remove superfluous NULL pointer check in pcnet32_probe1()
Move the debug printk() into the proper place and remove superfluous
NULL pointer check in pcnet32_probe1().
This takes care of the following entry from Dan's list:
drivers/net/pcnet32.c +1889 pcnet32_probe1(298) warning: variable derefenced before check 'pdev'
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Don Fry <pcnet32@verizon.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/pcnet32.c b/drivers/net/pcnet32.c
index 1c35e1d..b61c972 100644
--- a/drivers/net/pcnet32.c
+++ b/drivers/net/pcnet32.c
@@ -1611,8 +1611,11 @@
if (pcnet32_dwio_read_csr(ioaddr, 0) == 4
&& pcnet32_dwio_check(ioaddr)) {
a = &pcnet32_dwio;
- } else
+ } else {
+ if (pcnet32_debug & NETIF_MSG_PROBE)
+ printk(KERN_ERR PFX "No access methods\n");
goto err_release_region;
+ }
}
chip_version =
@@ -1852,12 +1855,6 @@
((cards_found >= MAX_UNITS) || full_duplex[cards_found]))
lp->options |= PCNET32_PORT_FD;
- if (!a) {
- if (pcnet32_debug & NETIF_MSG_PROBE)
- printk(KERN_ERR PFX "No access methods\n");
- ret = -ENODEV;
- goto err_free_consistent;
- }
lp->a = *a;
/* prior to register_netdev, dev->name is not yet correct */
@@ -1973,14 +1970,13 @@
return 0;
- err_free_ring:
+err_free_ring:
pcnet32_free_ring(dev);
- err_free_consistent:
pci_free_consistent(lp->pci_dev, sizeof(*lp->init_block),
lp->init_block, lp->init_dma_addr);
- err_free_netdev:
+err_free_netdev:
free_netdev(dev);
- err_release_region:
+err_release_region:
release_region(ioaddr, PCNET32_TOTAL_SIZE);
return ret;
}