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authorLen Baker <len.baker@gmx.com>2021-10-24 19:29:21 +0200
committerChristoph Hellwig <hch@lst.de>2021-10-27 08:06:41 +0200
commitd156cfcafbd0eae4224ea007d95ebda467eb0c46 (patch)
treec48d56c067bde50fa8a609760ff4e8b9303921c0 /drivers/nvme/host/multipath.c
parent2953b30b1d9feb1bc555682e64e6479d197b9231 (diff)
downloadlinux-d156cfcafbd0eae4224ea007d95ebda467eb0c46.tar.bz2
nvmet: use flex_array_size and struct_size
In an effort to avoid open-coded arithmetic in the kernel [1], use the flex_array_size() and struct_size() helpers instead of an open-coded calculation. [1] https://github.com/KSPP/linux/issues/160 Signed-off-by: Len Baker <len.baker@gmx.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme/host/multipath.c')
-rw-r--r--drivers/nvme/host/multipath.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 954e84df6eb7..7f2071f2460c 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -562,7 +562,7 @@ static int nvme_parse_ana_log(struct nvme_ctrl *ctrl, void *data,
return -EINVAL;
nr_nsids = le32_to_cpu(desc->nnsids);
- nsid_buf_size = nr_nsids * sizeof(__le32);
+ nsid_buf_size = flex_array_size(desc, nsids, nr_nsids);
if (WARN_ON_ONCE(desc->grpid == 0))
return -EINVAL;