linux-kernel - [PATCH 1/2] drivers: staging/lustre: conrpc.c - fix sparse error: incompatible types in comparison expression (different address spaces)

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Date:   Wed,  7 Jun 2017 06:15:18 -0300
From:   "Guillermo O. Freschi" <kedrot@...il.com>
To:     Oleg Drokin <oleg.drokin@...el.com>, lustre-devel@...ts.lustre.org,
        linux-kernel@...r.kernel.org
Cc:     "Guillermo O. Freschi" <kedrot@...il.com>
Subject: [PATCH 1/2] drivers: staging/lustre: conrpc.c - fix sparse error: incompatible types in comparison expression (different address spaces)

This patch reveals hidden warnings after this line.

(This is a stepping-stone patch for the following one, it should be
ignored as per Andreas Dilger.)

Signed-off-by: Guillermo O. Freschi <kedrot@...il.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 da36c55b86d3..f4578200994f 100644
--- a/drivers/staging/lustre/lnet/selftest/conrpc.c
+++ b/drivers/staging/lustre/lnet/selftest/conrpc.c
@@ -487,7 +487,7 @@ lstcon_rpc_trans_interpreter(struct lstcon_rpc_trans *trans,
 				   sizeof(struct list_head)))
 			return -EFAULT;
 
-		if (tmp.next == head_up)
+		if ((struct list_head __user *)tmp.next == head_up)
 			return 0;
 
 		next = tmp.next;
-- 
2.11.0