From: Gerhard Sittig <redacted>
Date: Fri, 9 Feb 2018 18:22:14 +0000 (+0100)
Subject: norma-dmm: fix a potential memory leak
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=8eadb70a37946c268d9bef312478096e96009c3d;p=libsigrok.git

norma-dmm: fix a potential memory leak

Release an allocated buffer in an error path.

This was reported by clang's scan-build.
---

diff --git a/src/hardware/norma-dmm/api.c b/src/hardware/norma-dmm/api.c
index 86cbd9c3..d155bc36 100644
--- a/src/hardware/norma-dmm/api.c
+++ b/src/hardware/norma-dmm/api.c
@@ -110,6 +110,7 @@ static GSList *scan(struct sr_dev_driver *drv, GSList *options)
 		if (serial_write_blocking(serial, req, strlen(req),
 				serial_timeout(serial, strlen(req))) < 0) {
 			sr_err("Unable to send identification request.");
+			g_free(buf);
 			return NULL;
 		}
 		len = BUF_MAX;