During driver probe we allocate a dma region for our event pool.
Currently, zero is passed for the gfp_flags parameter. Driver probe
callbacks run in process context and we hold no locks so we can sleep
here if necessary.
Fix by passing GFP_KERNEL explicitly to dma_alloc_coherent().
Signed-off-by: Tyrel Datwyler <tyreld@xxxxxxxxxxxxxxxxxx>
---
drivers/scsi/ibmvscsi/ibmvscsi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index cb8535e..10d5e77 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -465,7 +465,7 @@ static int initialize_event_pool(struct event_pool *pool,
pool->iu_storage =
dma_alloc_coherent(hostdata->dev,
pool->size * sizeof(*pool->iu_storage),
- &pool->iu_token, 0);
+ &pool->iu_token, GFP_KERNEL);
if (!pool->iu_storage) {
kfree(pool->events);
return -ENOMEM;
--
1.8.3.1
