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SubjectRe: [patch] [SCSI] qla2xxx: don't free pool that wasn't allocated

On Thu, 17 May 2012, Dan Carpenter wrote:

> In the original code, if dma_pool_alloc() fails then we call
> dma_pool_free(). It causes an error, possibly a NULL dereference.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
>
> diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
> index c17975d..44380d3 100644
> --- a/drivers/scsi/qla2xxx/qla_iocb.c
> +++ b/drivers/scsi/qla2xxx/qla_iocb.c
> @@ -2386,7 +2386,7 @@ sufficient_dsds:
> if (!ctx->fcp_cmnd) {
> ql_log(ql_log_fatal, vha, 0x3011,
> "Failed to allocate fcp_cmnd for cmd=%p.\n", cmd);
> - goto queuing_error_fcp_cmnd;
> + goto queuing_error;
> }
>
> /* Initialize the DSD list and dma handle */
> --
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>
>

Thanks for the patch.

Acked-by: Chad Dupuis <chad.dupuis@qlogic.com>

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