[PATCH] stating: lustre: fix sparse error: incompatible types in comparison expression

From: Rui Teng
Date: Wed Jul 12 2017 - 22:11:14 EST


Comparing two user space addresses to avoid sparse error:

drivers/staging//lustre/lnet/selftest/conrpc.c:490:30: error:
incompatible types in comparison expression (different address spaces)

Signed-off-by: Rui Teng <rui.teng@xxxxxxxxxxxxxxxxxx>
---
drivers/staging/lustre/lnet/selftest/conrpc.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/lustre/lnet/selftest/conrpc.c b/drivers/staging/lustre/lnet/selftest/conrpc.c
index da36c55b86d3..ae7c2772825e 100644
--- a/drivers/staging/lustre/lnet/selftest/conrpc.c
+++ b/drivers/staging/lustre/lnet/selftest/conrpc.c
@@ -487,10 +487,9 @@ lstcon_rpc_trans_interpreter(struct lstcon_rpc_trans *trans,
sizeof(struct list_head)))
return -EFAULT;

- if (tmp.next == head_up)
- return 0;
-
next = tmp.next;
+ if (next == head_up)
+ return 0;

ent = list_entry(next, struct lstcon_rpc_ent, rpe_link);

--
2.11.0