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| author | Yann Droneaud <ydroneaud@opteya.com> | 2013-12-11 23:01:48 +0100 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2013-12-20 10:54:31 -0800 |
| commit | 2782c2d302557403e314a43856f681a5385e62c6 (patch) | |
| tree | 1be71f11db4143c039255bd7e07c6cad8c7a3673 | |
| parent | 7efb1b19b3414d7dec792f39e1c1a7db57a23961 (diff) | |
| download | linux-2782c2d302557403e314a43856f681a5385e62c6.tar.bz2 | |
IB/uverbs: Check comp_mask in destroy_flow
Just like the check added to create_flow in 22878dbc9173 ("IB/core:
Better checking of userspace values for receive flow steering"),
comp_mask must be checked in destroy_flow too.
Since only empty comp_mask is currently supported, any other value
must be rejected.
This check was silently added in a previous patch[1] to move comp_mask
in extended command header, part of previous patchset[2] against
create/destroy_flow uverbs. The idea of moving comp_mask to the header
was discarded for the final patchset[3].
Unfortunately the check added in destroy_flow uverb was not integrated
in the final patchset.
[1] http://marc.info/?i=40175eda10d670d098204da6aa4c327a0171ae5f.1381510045.git.ydroneaud@opteya.com
[2] http://marc.info/?i=cover.1381510045.git.ydroneaud@opteya.com
[3] http://marc.info/?i=cover.1383773832.git.ydroneaud@opteya.com
Cc: Matan Barak <matanb@mellanox.com>
Link: http://marc.info/?i=cover.1386798254.git.ydroneaud@opteya.com>
Signed-off-by: Yann Droneaud <ydroneaud@opteya.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
| -rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 65f6e7dc380c..f0ee6b92132a 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -2795,6 +2795,9 @@ int ib_uverbs_ex_destroy_flow(struct ib_uverbs_file *file, if (ret) return ret; + if (cmd.comp_mask) + return -EINVAL; + uobj = idr_write_uobj(&ib_uverbs_rule_idr, cmd.flow_handle, file->ucontext); if (!uobj) |