nhlt-dmic-info: fix simple memory leak issue

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/nhlt/nhlt-dmic-info.c b/nhlt/nhlt-dmic-info.c
index f08dc85d02eb6f6592f3cacb26d084854f92c0e6..7726c3cc9eb43740d42c95ba2102b1e96b1c0e20 100644 (file)
--- a/nhlt/nhlt-dmic-info.c
+++ b/nhlt/nhlt-dmic-info.c
@@ -248,6 +248,7 @@ static int nhlt_to_json(FILE *out, const char *nhlt_file)
        if (fd < 0) {
                _errno = errno;
                fprintf(stderr, "Unable to open file '%s': %s\n", nhlt_file, strerror(errno));
+               free(buf);
                return _errno;
        }
        pos = 0;