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

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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@xxxxxxxxxx>

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@xxxxxxxxxx>

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