| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 006/108] ibmvnic: Fix endian error when requesting device capabilities | Date | Thu, 15 Jun 2017 19:52:12 +0200 |
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4.9-stable review patch. If anyone has any objections, please let me know.
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From: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
[ Upstream commit 28f4d16570dcf440e54a4d72666d5be452f27d0e ]
When a 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: Thomas Falcon <tlfalcon@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/net/ethernet/ibm/ibmvnic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -2400,10 +2400,10 @@ static void handle_request_cap_rsp(union 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:
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