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[for,v3.13,5/7] IB/uverbs: check comp_mask in destroy_flow

Message ID fa0190c08a47cdb0e38ecdec79ee9935a6daa0b3.1385501822.git.ydroneaud@opteya.com (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Yann Droneaud Nov. 26, 2013, 10:02 p.m. UTC 
Just like the check added to create_flow in 22878dbc9173,
comp_mask must be checked in destroy_flow too.

Since only empty comp_mask is currently supported,
any other value must be rejected.

Link: http://marc.info/?i=cover.1385501822.git.ydroneaud@opteya.com
Cc: Matan Barak <matanb@mellanox.com>
Signed-off-by: Yann Droneaud <ydroneaud@opteya.com>
---
 drivers/infiniband/core/uverbs_cmd.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index d9d91c412628..f1ba441cd2ed 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)