[PATCH net 3/5] ibmvnic: Fix endian error when requesting device capabilites
From: Thomas Falcon <hidden>
Date: 2017-01-25 21:02:33
Also in:
linuxppc-dev
Subsystem:
ibm power sriov virtual nic device driver, linux for powerpc (32-bit and 64-bit), networking drivers, the rest · Maintainers:
Haren Myneni, Rick Lindsley, Madhavan Srinivasan, Michael Ellerman, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
When a IBM VNIC client driver requests a faulty device setting, the server returns an acceptable value for the client to request. This 64 bit value was incorrectly being swapped as a 32 bit value, resulting in loss of data. This patch corrects that by using the 64 bit swap function. Signed-off-by: John Allen <redacted> Signed-off-by: Thomas Falcon <redacted> --- drivers/net/ethernet/ibm/ibmvnic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index f95f6a4..ec4eaed 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c@@ -2388,10 +2388,10 @@ static void handle_request_cap_rsp(union ibmvnic_crq *crq, case PARTIALSUCCESS: dev_info(dev, "req=%lld, rsp=%ld in %s queue, retrying.\n", *req_value, - (long int)be32_to_cpu(crq->request_capability_rsp. + (long int)be64_to_cpu(crq->request_capability_rsp. number), name); release_sub_crqs_no_irqs(adapter); - *req_value = be32_to_cpu(crq->request_capability_rsp.number); + *req_value = be64_to_cpu(crq->request_capability_rsp.number); init_sub_crqs(adapter, 1); return; default:
--
1.8.3.1