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| author | liuxixin <gliuxen@gmail.com> | 2026-05-28 18:00:01 +0800 |
|---|---|---|
| committer | Keith Busch <kbusch@kernel.org> | 2026-06-02 05:20:57 -0700 |
| commit | 0967074f6830718fd2597404ef119bddd0dbfd00 (patch) | |
| tree | 5d033fb970630a62b79dc5b0608f58e470f92128 | |
| parent | 8757fd9500cf2fd9b27451cb6eb7e28003c3d202 (diff) | |
| download | linux-stable-0967074f6830718fd2597404ef119bddd0dbfd00.tar.gz linux-stable-0967074f6830718fd2597404ef119bddd0dbfd00.zip | |
nvme: fix FDP fdpcidx bounds check
The fdpcidx bounds check sets n = NUMFDPC + 1 but used > instead of >=,
incorrectly accepting fdp_idx when it equals n (i.e. NUMFDPC + 1).
Fixes: 30b5f20bb2dd ("nvme: register fdp parameters with the block layer")
Reviewed-by: Nitesh Shetty <nj.shetty@samsung.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: liuxixin <gliuxen@gmail.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
| -rw-r--r-- | drivers/nvme/host/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index f69e3115d8cf..ea837b94d3e5 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -2261,7 +2261,7 @@ static int nvme_query_fdp_granularity(struct nvme_ctrl *ctrl, } n = le16_to_cpu(h->numfdpc) + 1; - if (fdp_idx > n) { + if (fdp_idx >= n) { dev_warn(ctrl->device, "FDP index:%d out of range:%d\n", fdp_idx, n); /* Proceed without registering FDP streams */ |