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enic: free all rq buffs when allocation fails 

When allocation of all RQs fail, we do not free previously allocated buffers,
before returning error. This causes memory leak.

This patch fixes this by calling vnic_rq_clean(), which frees all the rq
buffers.

Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Govindarajulu Varadarajan 2015-01-02 20:53:27 +05:30 committed by David S. Miller
parent 531ad4282e
commit 9dac6232e2
1 changed files with 4 additions and 2 deletions
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6
drivers/net/ethernet/cisco/enic/enic_main.c
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@ -1616,7 +1616,7 @@ static int enic_open(struct net_device *netdev)
if (vnic_rq_desc_used(&enic->rq[i]) == 0) {
netdev_err(netdev, "Unable to alloc receive buffers\n");
err = -ENOMEM;
goto err_out_notify_unset;
goto err_out_free_rq;
}
}
@ -1649,7 +1649,9 @@ static int enic_open(struct net_device *netdev)
return 0;
err_out_notify_unset:
err_out_free_rq:
for (i = 0; i < enic->rq_count; i++)
vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
enic_dev_notify_unset(enic);
err_out_free_intr:
enic_free_intr(enic);