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RDMA/uverbs: Fix typo of sizeof argument

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commit c489800e0d48097fc6afebd862c6afa039110a36 upstream.

Since size of 'hdr' pointer and '*hdr' structure is equal on 64-bit
machines issue probably didn't cause any wrong behavior. But anyway,
fixing of typo is required.

Fixes: da0f60df7b ("RDMA/uverbs: Prohibit write() calls with too small buffers")
Co-developed-by: Ivanov Mikhail <ivanov.mikhail1@huawei-partners.com>
Signed-off-by: Ivanov Mikhail <ivanov.mikhail1@huawei-partners.com>
Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze@huawei.com>
Link: https://lore.kernel.org/r/20230905103258.1738246-1-konstantin.meskhidze@huawei.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Konstantin Meskhidze 2023-09-05 18:32:58 +08:00 committed by Greg Kroah-Hartman
parent 26d48f7090
commit 8ab1fb16dc
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/core/uverbs_main.c
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@ -633,7 +633,7 @@ static ssize_t verify_hdr(struct ib_uverbs_cmd_hdr *hdr,
if (hdr->in_words * 4 != count) if (hdr->in_words * 4 != count)
return -EINVAL; return -EINVAL;
if (count < method_elm->req_size + sizeof(hdr)) { if (count < method_elm->req_size + sizeof(*hdr)) {
/* /*
* rdma-core v18 and v19 have a bug where they send DESTROY_CQ * rdma-core v18 and v19 have a bug where they send DESTROY_CQ
* with a 16 byte write instead of 24. Old kernels didn't * with a 16 byte write instead of 24. Old kernels didn't