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[SCSI] aacraid: prevent panic on adapter resource failure 

If the driver fails to allocate the contiguous (DMAable) memory for
system reasons, we fail to load the instance, but then we try to free
the <nul> allocation in the cleanup code and we get a panic in
pci_free_consistent(). This is reported against an older kernel, hope
this is relevant for latest/greatest.

Signed-off-by: Mark Salyzyn <aacraid@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Salyzyn, Mark 2007-08-02 15:38:59 -04:00 committed by James Bottomley
parent 2338545aaf
commit 2b053729a8
1 changed files with 3 additions and 1 deletions
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4
drivers/scsi/aacraid/linit.c
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@ -1110,7 +1110,9 @@ static int __devinit aac_probe_one(struct pci_dev *pdev,
__aac_shutdown(aac);
out_unmap:
aac_fib_map_free(aac);
pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
if (aac->comm_addr)
pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
aac->comm_phys);
kfree(aac->queues);
aac_adapter_ioremap(aac, 0);
kfree(aac->fibs);