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[PATCH 2/2] drivers: staging/lustre: conrpc.c - fix sparse warning: warning: incorrect type in argument * (different address spaces)

From "Guillermo O. Freschi" <kedrot@gmail.com>
Newsgroups linux.kernel
Subject [PATCH 2/2] drivers: staging/lustre: conrpc.c - fix sparse warning: warning: incorrect type in argument * (different address spaces)
Date 2017-06-07 11:20 +0200
Message-ID <tPFib-4ID-29@gated-at.bofh.it> (permalink)
References <tNM4q-40b-7@gated-at.bofh.it> <tPFia-4ID-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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The calls to `copy_to_user` suggest that `ent` is pointing to userspace
memory, but `ent` is missing the `__user` qualifier.

Signed-off-by: Guillermo O. Freschi <kedrot@gmail.com>
---
 drivers/staging/lustre/lnet/selftest/conrpc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/lustre/lnet/selftest/conrpc.c b/drivers/staging/lustre/lnet/selftest/conrpc.c
index f4578200994f..04a5d7e80151 100644
--- a/drivers/staging/lustre/lnet/selftest/conrpc.c
+++ b/drivers/staging/lustre/lnet/selftest/conrpc.c
@@ -469,7 +469,7 @@ lstcon_rpc_trans_interpreter(struct lstcon_rpc_trans *trans,
 {
 	struct list_head tmp;
 	struct list_head __user *next;
-	struct lstcon_rpc_ent *ent;
+	struct lstcon_rpc_ent __user *ent;
 	struct srpc_generic_reply *rep;
 	struct lstcon_rpc *crpc;
 	struct srpc_msg *msg;
-- 
2.11.0

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Re: [lustre-devel] [PATCH] drivers: staging/lustre: conrpc.c - fix  sparse error: incompatible types in comparison expression (different address  spaces) "Dilger, Andreas" <andreas.dilger@intel.com> - 2017-06-02 06:10 +0200
  Re: [lustre-devel] [PATCH] drivers: staging/lustre: conrpc.c - fix  sparse error: incompatible types in comparison expression (different address  spaces) Tordek <kedrot@gmail.com> - 2017-06-02 07:20 +0200
  [PATCH 1/2] drivers: staging/lustre: conrpc.c - fix sparse error: incompatible types in comparison expression (different address spaces) "Guillermo O. Freschi" <kedrot@gmail.com> - 2017-06-07 11:20 +0200
    [PATCH 2/2] drivers: staging/lustre: conrpc.c - fix sparse warning: warning: incorrect type in argument * (different address spaces) "Guillermo O. Freschi" <kedrot@gmail.com> - 2017-06-07 11:20 +0200

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