[patch] [SCSI] mpt3sas: move dereference under check

[Dan Carpenter]

pci_pool_free() dereferences "ioc->sense_dma_pool" but we check it
for NULL on the following line.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 1836003..06a84ef 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -2479,9 +2479,11 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
 	}
 
 	if (ioc->sense) {
-		pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma);
-		if (ioc->sense_dma_pool)
+		if (ioc->sense_dma_pool) {
+			pci_pool_free(ioc->sense_dma_pool, ioc->sense,
+				      ioc->sense_dma);
 			pci_pool_destroy(ioc->sense_dma_pool);
+		}
 		dexitprintk(ioc, pr_info(MPT3SAS_FMT
 			"sense_pool(0x%p): free\n",
 			ioc->name, ioc->sense));
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/