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starfire: clean up properly if firmware loading fails

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commit c928febf4b upstream.

netdev_open() will return without cleaning up net device or hardware state
if firmware loading fails.  This results in a BUG() on a second attempt to
bring the interface up, reported in
<http://bugzilla.kernel.org/show_bug.cgi?id=15091>, and probably has even
worse effects if the driver is removed afterwards.

Call netdev_close() to clean up on failure.

Addresses http://bugzilla.kernel.org/show_bug.cgi?id=15091

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Reported-by: Michael Moffatt <michael@moffatt.org.nz>
Tested-by: Michael Moffatt <michael@moffatt.org.nz>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Ben Hutchings
2010-01-26 18:27:09 +00:00
committed by Greg Kroah-Hartman
parent 906f68dd91
commit 35cfb03de1
1 changed files with 4 additions and 1 deletions
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5
drivers/net/starfire.c
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@@ -1063,7 +1063,7 @@ static int netdev_open(struct net_device *dev)
if (retval) {
printk(KERN_ERR "starfire: Failed to load firmware \"%s\"\n",
FIRMWARE_RX);
return retval;
goto out_init;
}
if (fw_rx->size % 4) {
printk(KERN_ERR "starfire: bogus length %zu in \"%s\"\n",
@@ -1108,6 +1108,9 @@ out_tx:
release_firmware(fw_tx);
out_rx:
release_firmware(fw_rx);
out_init:
if (retval)
netdev_close(dev);
return retval;
}