[PATCH] btrfs: missing space before the open parenthesis '('

[Sohaib Mohamed]

Error found by checkpatch.pl

Signed-off-by: Sohaib Mohamed <sohaib.amhmd@xxxxxxxxx>
---
 fs/btrfs/ref-verify.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/ref-verify.c b/fs/btrfs/ref-verify.c
index d2062d5f71dd..51e88c5c2310 100644
--- a/fs/btrfs/ref-verify.c
+++ b/fs/btrfs/ref-verify.c
@@ -242,7 +242,7 @@ static void free_block_entry(struct block_entry *be)
 		kfree(re);
 	}
 
-	while((n = rb_first(&be->refs))) {
+	while ((n = rb_first(&be->refs))) {
 		ref = rb_entry(n, struct ref_entry, node);
 		rb_erase(&ref->node, &be->refs);
 		kfree(ref);
-- 
2.25.1