[tip:perf/urgent] perf strbuf: Remove redundant va_end() in strbuf_addv()

[tip-bot for Mattias Jacobsson]

Commit-ID:  099be748865eece21362aee416c350c0b1ae34df
Gitweb:     https://git.kernel.org/tip/099be748865eece21362aee416c350c0b1ae34df
Author:     Mattias Jacobsson <2pi@xxxxxx>
AuthorDate: Sat, 29 Dec 2018 15:17:50 +0100
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 4 Jan 2019 12:54:49 -0300

perf strbuf: Remove redundant va_end() in strbuf_addv()

Each call to va_copy() should have one, and only one, corresponding call
to va_end(). In strbuf_addv() some code paths result in va_end() getting
called multiple times. Remove the superfluous va_end().

Signed-off-by: Mattias Jacobsson <2pi@xxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Sanskriti Sharma <sansharm@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/20181229141750.16945-1-2pi@xxxxxx
Fixes: ce49d8436cff ("perf strbuf: Match va_{add,copy} with va_end")
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/util/strbuf.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/tools/perf/util/strbuf.c b/tools/perf/util/strbuf.c
index 9005fbe0780e..23092fd6451d 100644
--- a/tools/perf/util/strbuf.c
+++ b/tools/perf/util/strbuf.c
@@ -109,7 +109,6 @@ static int strbuf_addv(struct strbuf *sb, const char *fmt, va_list ap)
 			return ret;
 		}
 		len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap_saved);
-		va_end(ap_saved);
 		if (len > strbuf_avail(sb)) {
 			pr_debug("this should not happen, your vsnprintf is broken");
 			va_end(ap_saved);