getenv() returns NULL on non-existing variables. Replace result with
empty string to avoid doing strlen() on a NULL pointer.
Signed-off-by: Sascha Hauer <s.ha...@pengutronix.de>
---
common/ratp/getenv.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/common/ratp/getenv.c b/common/ratp/getenv.c
index 7b38d2e363..9617ab1b43 100644
--- a/common/ratp/getenv.c
+++ b/common/ratp/getenv.c
@@ -32,6 +32,9 @@ static int ratp_cmd_getenv(const struct ratp_bb *req, int
req_len,
value = getenv(varname);
free(varname);
+ if (!value)
+ value = "";
+
dlen = strlen(value);
*rsp_len = sizeof(struct ratp_bb) + dlen;
--
2.30.2
