[patch v2] [XFS] small cleanup in xfs_lowbit64()

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There are two checkpatch.pl complaints here because of the bad indenting
and because of the assignment inside the condition.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
v2: more cleanups

diff --git a/fs/xfs/xfs_bit.h b/fs/xfs/xfs_bit.h
index f1e3c90..e1649c0 100644
--- a/fs/xfs/xfs_bit.h
+++ b/fs/xfs/xfs_bit.h
@@ -66,8 +66,11 @@ static inline int xfs_lowbit64(__uint64_t v)
 		n = ffs(w);
 	} else {	/* upper bits */
 		w = (__uint32_t)(v >> 32);
-		if (w && (n = ffs(w)))
-		n += 32;
+		if (w) {
+			n = ffs(w);
+			if (n)
+				n += 32;
+		}
 	}
 	return n - 1;
 }

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