io__getline will free the line on error but it doesn't clear the out argument. This may lead to the line being freed twice, like in tools/perf/util/srcline.c as detected by clang-tidy. Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx> --- tools/lib/api/io.h | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/lib/api/io.h b/tools/lib/api/io.h index 9fc429d2852d..a77b74c5fb65 100644 --- a/tools/lib/api/io.h +++ b/tools/lib/api/io.h @@ -180,6 +180,7 @@ static inline ssize_t io__getline(struct io *io, char **line_out, size_t *line_l return line_len; err_out: free(line); + *line_out = NULL; return -ENOMEM; } -- 2.42.0.609.gbb76f46606-goog
