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pcnet32: remove superfluous NULL pointer check in pcnet32_probe1()

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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>
This commit is contained in:
Don Fry 2009-07-31 08:40:06 +00:00 committed by David S. Miller
parent a6ac65db23
commit df4e7f72f5
1 changed files with 7 additions and 11 deletions
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18
drivers/net/pcnet32.c
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@ -1611,8 +1611,11 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
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 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
((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 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
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;
}