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Commit 09a58f53 authored by Matthew Wilcox's avatar Matthew Wilcox
Browse files

NVMe: Fix bug in error handling 



When an I/O completed with an error, we would call bio_endio twice
(once with -EIO and once with 0).  Found by inspection.

Signed-off-by: default avatarMatthew Wilcox <matthew.r.wilcox@intel.com>
parent 22605f96

drivers/block/nvme.c

+2 −2
Original line number Diff line number Diff line
@@ -310,9 +310,9 @@ static void bio_completion(struct nvme_queue *nvmeq, void *ctx, 
	dma_unmap_sg(nvmeq->q_dmadev, nbio->sg, nbio->nents,

			bio_data_dir(bio) ? DMA_TO_DEVICE : DMA_FROM_DEVICE);

	free_nbio(nvmeq, nbio);

	if (status)

	if (status) {

		bio_endio(bio, -EIO);

	if (bio->bi_vcnt > bio->bi_idx) {

	} else if (bio->bi_vcnt > bio->bi_idx) {

		bio_list_add(&nvmeq->sq_cong, bio);

		wake_up_process(nvme_thread);

	} else {