From 5639fce1322dd8ae1398f8a7f530197484fc1f9e Mon Sep 17 00:00:00 2001
From: Shay Drory <shayd@mellanox.com>
Date: Mon, 7 Oct 2019 12:09:05 +0300
Subject: [PATCH rdma-core 06/13] verbs: Set missing errno in ibv_cmd_reg_mr
[ Upstream commit f9e127a4bffa09ee72fc0ce92228296a4d1c1588 ]
Set missing errno in ibv_cmd_reg_mr() when implicit MR is used.
Fixes: d4021e743fda7 ("verbs: Fix implicit ODP MR support for 32 bit
systems")
Signed-off-by: Shay Drory <shayd@mellanox.com>
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Nicolas Morey-Chaisemartin <nmoreychaisemartin@suse.com>
---
libibverbs/cmd.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libibverbs/cmd.c b/libibverbs/cmd.c
index 3936e69b..26eaa479 100644
--- a/libibverbs/cmd.c
+++ b/libibverbs/cmd.c
@@ -340,8 +340,10 @@ int ibv_cmd_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
* In that case set the value in the command to what kernel expects.
*/
if (access & IBV_ACCESS_ON_DEMAND) {
- if (length == SIZE_MAX && addr)
+ if (length == SIZE_MAX && addr) {
+ errno = EINVAL;
return EINVAL;
+ }
if (length == SIZE_MAX)
cmd->length = UINT64_MAX;
}
--
2.20.1