From 12385f458a27fe46da31483ed9f9ec5e9da575e7 Mon Sep 17 00:00:00 2001 From: Nicholas Mc Guire Date: Thu, 8 Jan 2015 15:16:35 +0100 Subject: [PATCH] ioat: fail self-test if wait_for_completion times out wait_for_completion_timeout reaching timeout was being ignored, fail the self-test if timeout condition occurs. v2: fixup of coding style issues. Signed-off-by: Nicholas Mc Guire Acked-by: Dave Jiang Reviewed-by: Prarit Bhargava Signed-off-by: Vinod Koul --- drivers/dma/ioat/dma_v3.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c index 61510abfabb7..77a6dcf25b98 100644 --- a/drivers/dma/ioat/dma_v3.c +++ b/drivers/dma/ioat/dma_v3.c @@ -1316,7 +1316,8 @@ static int ioat_xor_val_self_test(struct ioatdma_device *device) tmo = wait_for_completion_timeout(&cmp, msecs_to_jiffies(3000)); - if (dma->device_tx_status(dma_chan, cookie, NULL) != DMA_COMPLETE) { + if (tmo == 0 || + dma->device_tx_status(dma_chan, cookie, NULL) != DMA_COMPLETE) { dev_err(dev, "Self-test xor timed out\n"); err = -ENODEV; goto dma_unmap; @@ -1382,7 +1383,8 @@ static int ioat_xor_val_self_test(struct ioatdma_device *device) tmo = wait_for_completion_timeout(&cmp, msecs_to_jiffies(3000)); - if (dma->device_tx_status(dma_chan, cookie, NULL) != DMA_COMPLETE) { + if (tmo == 0 || + dma->device_tx_status(dma_chan, cookie, NULL) != DMA_COMPLETE) { dev_err(dev, "Self-test validate timed out\n"); err = -ENODEV; goto dma_unmap; @@ -1434,7 +1436,8 @@ static int ioat_xor_val_self_test(struct ioatdma_device *device) tmo = wait_for_completion_timeout(&cmp, msecs_to_jiffies(3000)); - if (dma->device_tx_status(dma_chan, cookie, NULL) != DMA_COMPLETE) { + if (tmo == 0 || + dma->device_tx_status(dma_chan, cookie, NULL) != DMA_COMPLETE) { dev_err(dev, "Self-test 2nd validate timed out\n"); err = -ENODEV; goto dma_unmap;