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authorMikulas Patocka <mpatocka@redhat.com>2020-04-19 11:34:00 +0300
committerMike Snitzer <snitzer@redhat.com>2020-05-15 17:29:36 +0300
commit499c18045eab16656ef4159c35b05865038f9f25 (patch)
tree8a75e3e0aac5ee7b8cd48f7b6c4b52986c12e997 /drivers
parent9431cf6efc3659eaa1cdd591e02a09045bc9983f (diff)
downloadlinux-499c18045eab16656ef4159c35b05865038f9f25.tar.xz
dm writecache: remove superfluous test in persistent_memory_claim
Remove superfluous test if dax_dev is NULL - dax_direct_access already does this test. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/md/dm-writecache.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 613c171b1b6d..d29d3e234e01 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -234,10 +234,6 @@ static int persistent_memory_claim(struct dm_writecache *wc)
wc->memory_vmapped = false;
- if (!wc->ssd_dev->dax_dev) {
- r = -EOPNOTSUPP;
- goto err1;
- }
s = wc->memory_map_size;
p = s >> PAGE_SHIFT;
if (!p) {