From: Zongmin Zhou <zhouzongmin@kylinos.cn>
The buffer be used without free,fix it to avoid memory leak.
Signed-off-by: Zongmin Zhou <zhouzongmin@kylinos.cn>
---
Changes in v3:
- move freeaddrinfo() to a separate label.
Changes in v2:
- add the label to use instead of directly to use on each case.
---
tools/testing/selftests/net/cmsg_sender.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/tools/testing/selftests/net/cmsg_sender.c b/tools/testing/selftests/net/cmsg_sender.c
index a825e628aee7..ded9b925865e 100644
--- a/tools/testing/selftests/net/cmsg_sender.c
+++ b/tools/testing/selftests/net/cmsg_sender.c
@@ -491,7 +491,8 @@ int main(int argc, char *argv[])
if (err) {
fprintf(stderr, "Can't resolve address [%s]:%s\n",
opt.host, opt.service);
- return ERN_SOCK_CREATE;
+ err = ERN_SOCK_CREATE;
+ goto err_free_buff;
}
if (ai->ai_family == AF_INET6 && opt.sock.proto == IPPROTO_ICMP)
@@ -500,8 +501,8 @@ int main(int argc, char *argv[])
fd = socket(ai->ai_family, opt.sock.type, opt.sock.proto);
if (fd < 0) {
fprintf(stderr, "Can't open socket: %s\n", strerror(errno));
- freeaddrinfo(ai);
- return ERN_RESOLVE;
+ err = ERN_RESOLVE;
+ goto err_free_info;
}
if (opt.sock.proto == IPPROTO_ICMP) {
@@ -574,6 +575,9 @@ int main(int argc, char *argv[])
err_out:
close(fd);
+err_free_info:
freeaddrinfo(ai);
+err_free_buff:
+ free(buf);
return err;
}
--
2.34.1