Commit ca95c141 authored Jan 08, 2020 by Michael Guralnik Committed by Jason Gunthorpe Jan 16, 2020

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: 4fca0377 ("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>

parent a1123418

include/rdma/ib_verbs.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}