From: Michael Braun <michael-dev@fami-braun.de>
Date: Fri, 1 May 2020 15:48:17 +0000 (+0200)
Subject: utils: fix UBSAN warning in fls
X-Git-Tag: v0.9.5~32
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ea4dc28d696fb579848ba6c9cf5b042eba1d2d2d;p=thirdparty%2Fnftables.git

utils: fix UBSAN warning in fls

../include/utils.h:120:5: runtime error: left shift of 1103101952 by 1 places cannot be represented in type 'int'

Signed-off-by: Michael Braun <michael-dev@fami-braun.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---

diff --git a/include/utils.h b/include/utils.h
index 647e8bbe..f45f2513 100644
--- a/include/utils.h
+++ b/include/utils.h
@@ -94,7 +94,7 @@
  * This is defined the same way as ffs.
  * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
  */
-static inline int fls(int x)
+static inline int fls(uint32_t x)
 {
 	int r = 32;