LU-12355 lnet: ib_fmr_pool_unmap returns void

Historically ib_fmr_pool_unmap only ever returned 0
Linux kernel 4.20 changed the return for ib_fmr_pool_unmap to void.

Linux-commit: 3eeeb7a59acddaa326b03efdf6dce61c120449a3

Lustre-change: https://review.whamcloud.com/35017
Lustre-commit: 46298ffe0b436a8cf1c60aa3d7bde7ae52c78d00

Test-Parameters: trivial
Signed-off-by: Shaun Tancheff <stancheff@cray.com>
Change-Id: I49d91a49c452dad5c7d9b153fdbc011f2f25743a
Reviewed-by: Petros Koutoupis <pkoutoupis@cray.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Chris Horn <hornc@cray.com>
Signed-off-by: Minh Diep <mdiep@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/36329
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Oleg Drokin <green@whamcloud.com>

diff --git a/lnet/klnds/o2iblnd/o2iblnd.c b/lnet/klnds/o2iblnd/o2iblnd.c
index 0268ebc..229033c 100644 (file)
--- a/lnet/klnds/o2iblnd/o2iblnd.c
+++ b/lnet/klnds/o2iblnd/o2iblnd.c
@@ -1796,8 +1796,7 @@ kiblnd_fmr_pool_unmap(struct kib_fmr *fmr, int status)
        fps = fpo->fpo_owner;
        if (fpo->fpo_is_fmr) {
                if (fmr->fmr_pfmr) {
-                       rc = ib_fmr_pool_unmap(fmr->fmr_pfmr);
-                       LASSERT(!rc);
+                       ib_fmr_pool_unmap(fmr->fmr_pfmr);
                        fmr->fmr_pfmr = NULL;
                }