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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-30 23:02:49 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-30 23:02:49 +0100 |
| commit | 5fc6b075e165f641fbc366b58b578055762d5f8c (patch) | |
| tree | a80f92cd8ab95232f162ff1d57cf2c9f7e52c5af /drivers/nvme/host/rdma.c | |
| parent | Merge tag 'io_uring-5.10-2020-10-30' of git://git.kernel.dk/linux-block (diff) | |
| parent | blk-mq: mark flush request as IDLE in flush_end_io() (diff) | |
| download | linux-5fc6b075e165f641fbc366b58b578055762d5f8c.tar.xz linux-5fc6b075e165f641fbc366b58b578055762d5f8c.zip | |
Merge tag 'block-5.10-2020-10-30' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- null_blk zone fixes (Damien, Kanchan)
- NVMe pull request from Christoph:
- improve zone revalidation (Keith Busch)
- gracefully handle zero length messages in nvme-rdma (zhenwei pi)
- nvme-fc error handling fixes (James Smart)
- nvmet tracing NULL pointer dereference fix (Chaitanya Kulkarni)"
- xsysace platform fixes (Andy)
- scatterlist type cleanup (David)
- blk-cgroup memory fixes (Gabriel)
- nbd block size update fix (Ming)
- Flush completion state fix (Ming)
- bio_add_hw_page() iteration fix (Naohiro)
* tag 'block-5.10-2020-10-30' of git://git.kernel.dk/linux-block:
blk-mq: mark flush request as IDLE in flush_end_io()
lib/scatterlist: use consistent sg_copy_buffer() return type
xsysace: use platform_get_resource() and platform_get_irq_optional()
null_blk: Fix locking in zoned mode
null_blk: Fix zone reset all tracing
nbd: don't update block size after device is started
block: advance iov_iter on bio_add_hw_page failure
null_blk: synchronization fix for zoned device
nvmet: fix a NULL pointer dereference when tracing the flush command
nvme-fc: remove nvme_fc_terminate_io()
nvme-fc: eliminate terminate_io use by nvme_fc_error_recovery
nvme-fc: remove err_work work item
nvme-fc: track error_recovery while connecting
nvme-rdma: handle unexpected nvme completion data length
nvme: ignore zone validate errors on subsequent scans
blk-cgroup: Pre-allocate tree node on blkg_conf_prep
blk-cgroup: Fix memleak on error path
Diffstat (limited to 'drivers/nvme/host/rdma.c')
| -rw-r--r-- | drivers/nvme/host/rdma.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 8bbc48cc45dc..541b0cba6d80 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -1768,6 +1768,14 @@ static void nvme_rdma_recv_done(struct ib_cq *cq, struct ib_wc *wc) return; } + /* sanity checking for received data length */ + if (unlikely(wc->byte_len < len)) { + dev_err(queue->ctrl->ctrl.device, + "Unexpected nvme completion length(%d)\n", wc->byte_len); + nvme_rdma_error_recovery(queue->ctrl); + return; + } + ib_dma_sync_single_for_cpu(ibdev, qe->dma, len, DMA_FROM_DEVICE); /* * AEN requests are special as they don't time out and can |