[PATCH v1 3/5] bitops: Silence a clang -Wshorten-64-to-32 warning

[Ian Rogers]

The clang warning -Wshorten-64-to-32 can be useful to catch
inadvertent truncation. In some instances this truncation can lead to
changing the sign of a result, for example, truncation to return an
int to fit a sort routine. Silence the warning by making the implicit
truncation explicit.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
 include/asm-generic/bitops/fls64.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/asm-generic/bitops/fls64.h b/include/asm-generic/bitops/fls64.h
index 866f2b2304ff..9ad3ff12f454 100644
--- a/include/asm-generic/bitops/fls64.h
+++ b/include/asm-generic/bitops/fls64.h
@@ -21,7 +21,7 @@ static __always_inline int fls64(__u64 x)
 	__u32 h = x >> 32;
 	if (h)
 		return fls(h) + 32;
-	return fls(x);
+	return fls((__u32)x);
 }
 #elif BITS_PER_LONG == 64
 static __always_inline int fls64(__u64 x)
-- 
2.49.0.504.g3bcea36a83-goog