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| author | Michael Guralnik <michaelgur@mellanox.com> | 2020-01-08 21:05:35 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-15 00:34:08 +0300 |
| commit | b73401025a14b11f229526af4e799fa796284fe6 (patch) | |
| tree | 2a43913220f8f63539399912056c8b237aeb239c /include | |
| parent | 78923675151e24668be3b618c13647c7475fa64f (diff) | |
| download | linux-b73401025a14b11f229526af4e799fa796284fe6.tar.xz | |
RDMA/uverbs: Verify MR access flags
commit ca95c1411198c2d87217c19d44571052cdc94725 upstream.
Verify that MR access flags that are passed from user are all supported
ones, otherwise an error is returned.
Fixes: 4fca03778351 ("IB/uverbs: Move ib_access_flags and ib_read_counters_flags to uapi")
Link: https://lore.kernel.org/r/1578506740-22188-6-git-send-email-yishaih@mellanox.com
Signed-off-by: Michael Guralnik <michaelgur@mellanox.com>
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/rdma/ib_verbs.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 44c52639db55..75c7b5ed53c5 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -4252,6 +4252,9 @@ static inline int ib_check_mr_access(int flags) !(flags & IB_ACCESS_LOCAL_WRITE)) return -EINVAL; + if (flags & ~IB_ACCESS_SUPPORTED) + return -EINVAL; + return 0; } |