dmaengine: idxd: fix desc->vector that isn't being updated

Missing update for desc->vector when the wq vector gets updated. This
causes the desc->vector to always be at 0.

Fixes: da435aedb00a ("dmaengine: idxd: fix array index when int_handles are being used")
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/162628784374.353761.4736602409627820431.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/idxd/submit.c b/drivers/dma/idxd/submit.c
index e298875..21d7d09 100644 (file)
--- a/drivers/dma/idxd/submit.c
+++ b/drivers/dma/idxd/submit.c
@@ -25,11 +25,10 @@ static struct idxd_desc *__get_desc(struct idxd_wq *wq, int idx, int cpu)
         * Descriptor completion vectors are 1...N for MSIX. We will round
         * robin through the N vectors.
         */
-       wq->vec_ptr = (wq->vec_ptr % idxd->num_wq_irqs) + 1;
+       wq->vec_ptr = desc->vector = (wq->vec_ptr % idxd->num_wq_irqs) + 1;
        if (!idxd->int_handles) {
                desc->hw->int_handle = wq->vec_ptr;
        } else {
-               desc->vector = wq->vec_ptr;
                /*
                 * int_handles are only for descriptor completion. However for device
                 * MSIX enumeration, vec 0 is used for misc interrupts. Therefore even