From: Daniel Verkamp <daniel.verkamp@intel.com>
Date: Tue, 27 Jun 2017 13:24:32 +0000 (-0600)
Subject: lib/ffz: remove dead store
X-Git-Tag: fio-2.99~24
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=034ada869882efb9dcd340648bc8bcc9e9a4215e;ds=sidebyside

lib/ffz: remove dead store

word' is written in the last 'if' block but never read again.

This is harmless, but scan-build (clang-analyzer) flags it as a warning.

Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/lib/ffz.h b/lib/ffz.h
index e2c1b8e9..16c9ae9e 100644
--- a/lib/ffz.h
+++ b/lib/ffz.h
@@ -27,10 +27,8 @@ static inline int ffs64(uint64_t word)
 		word >>= 2;
 		r += 2;
 	}
-	if (!(word & 1)) {
-		word >>= 1;
+	if (!(word & 1))
 		r += 1;
-	}
 
 	return r;
 }