RDMA/cma: Remove open coding of overflow checking for private_data_len
authorHåkon Bugge <haakon.bugge@oracle.com>
Tue, 23 Nov 2021 10:06:18 +0000 (11:06 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 27 Jan 2022 10:05:23 +0000 (11:05 +0100)
commit60390c2242d6c70c7004f3261f86242742167ad2
treed788af3c04d6915ea8c8010b957f61879f6791df
parent0dc4db8abccf266390b81b72064191f876e55876
RDMA/cma: Remove open coding of overflow checking for private_data_len

commit 8d0d2b0f41b1b2add8a30dbd816051a964efa497 upstream.

The existing tests are a little hard to comprehend. Use
check_add_overflow() instead.

Fixes: 04ded1672402 ("RDMA/cma: Verify private data length")
Link: https://lore.kernel.org/r/1637661978-18770-1-git-send-email-haakon.bugge@oracle.com
Signed-off-by: Håkon Bugge <haakon.bugge@oracle.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/infiniband/core/cma.c