[PATCH] staging/lustre: echo_client.c - fix sparse warning: cast removes address space of expression

[Guillermo O. Freschi]

The function only cares about the value of the pointer, not the contents
of the pointed-to data. Adding a `__force` annotation to the cast
removes this warning.

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

diff --git a/drivers/staging/lustre/lustre/obdecho/echo_client.c 
b/drivers/staging/lustre/lustre/obdecho/echo_client.c
index d4768311cf92..1757714c56a0 100644
--- a/drivers/staging/lustre/lustre/obdecho/echo_client.c
+++ b/drivers/staging/lustre/lustre/obdecho/echo_client.c
@@ -1428,7 +1428,7 @@ static int echo_client_brw_ioctl(const struct lu_env 
*env, int rw,
        oa->o_valid &= ~OBD_MD_FLHANDLE;
 
        /* OFD/obdfilter works only via prep/commit */
-       test_mode = (long)data->ioc_pbuf1;
+       test_mode = (__force long)data->ioc_pbuf1;
        if (test_mode == 1)
                async = 0;
 
-- 
2.11.0