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bna: PCI Probe Conf Lock Fix

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If register_netdev() fails now, then we call mutex_unlock(&bnad->conf_mutex);
on the error path, but it's already unlocked. So we acquire the lock in error
path which will be later unlocked after the cleanup.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Rasesh Mody <rmody@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rasesh Mody 2011-09-21 20:55:41 -04:00 committed by David S. Miller
parent b7a17c0d84
commit 3fc7237018
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/brocade/bna/bnad.c
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@ -3359,6 +3359,7 @@ probe_success:
return 0;
probe_uninit:
mutex_lock(&bnad->conf_mutex);
bnad_res_free(bnad, &bnad->mod_res_info[0], BNA_MOD_RES_T_MAX);
disable_ioceth:
bnad_ioceth_disable(bnad);