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| author | Michael Guralnik <michaelgur@mellanox.com> | 2020-01-08 19:05:35 +0100 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-01-16 20:55:45 +0100 |
| commit | ca95c1411198c2d87217c19d44571052cdc94725 (patch) | |
| tree | 8fa71cceb10e27fcf1c0ff72d2a86904f8bfd592 | |
| parent | RDMA/uverbs: Add ioctl command to get a device context (diff) | |
| download | linux-ca95c1411198c2d87217c19d44571052cdc94725.tar.xz linux-ca95c1411198c2d87217c19d44571052cdc94725.zip | |
RDMA/uverbs: Verify MR access flags
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>
| -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 d8031f6f327e..b20b89e93c62 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -4310,6 +4310,9 @@ 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; } |