Commit-ID: 94bdd5edb34e472980d1e18b4600d6fb92bd6b0a
Gitweb: http://git.kernel.org/tip/94bdd5edb34e472980d1e18b4600d6fb92bd6b0a
Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Wed, 8 Feb 2017 17:01:46 -0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 8 Feb 2017 17:31:01 -0300
tools string: Use __fallthrough in perf_atoll()
The implicit fall through case label here is intended, so let us inform
that to gcc >= 7:
CC /tmp/build/perf/util/string.o
util/string.c: In function 'perf_atoll':
util/string.c:22:7: error: this statement may fall through [-Werror=implicit-fallthrough=]
if (*p)
^
util/string.c:24:3: note: here
case '\0':
^~~~
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-0ophb30v9apkk6o95el0rqlq@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/string.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c
index d8dfaf6..bddca51 100644
--- a/tools/perf/util/string.c
+++ b/tools/perf/util/string.c
@@ -21,6 +21,8 @@ s64 perf_atoll(const char *str)
case 'b': case 'B':
if (*p)
goto out_err;
+
+ __fallthrough;
case '\0':
return length;
default:
--
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