From: Stefan Reif <ke42caxa@cip.cs.fau.de>
Date: Thu, 4 Apr 2013 14:03:12 +0000 (+0200)
Subject: staging: usbip: userspace: avoid memory leaks
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=e697949944c1427816e3cd01f8316040d7bddc57;p=openwrt%2Fstaging%2Fblogic.git

staging: usbip: userspace: avoid memory leaks

Call freeaddrinfo when connect/listen fails.
Call usbip_host_driver_close on error.

Signed-off-by: Stefan Reif <ke42caxa@cip.cs.fau.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/usbip/userspace/src/usbip_network.c b/drivers/staging/usbip/userspace/src/usbip_network.c
index 4cb76e5d71c8..b12448ec69ab 100644
--- a/drivers/staging/usbip/userspace/src/usbip_network.c
+++ b/drivers/staging/usbip/userspace/src/usbip_network.c
@@ -248,10 +248,10 @@ int usbip_net_tcp_connect(char *hostname, char *service)
 		close(sockfd);
 	}
 
+	freeaddrinfo(res);
+
 	if (!rp)
 		return EAI_SYSTEM;
 
-	freeaddrinfo(res);
-
 	return sockfd;
 }
diff --git a/drivers/staging/usbip/userspace/src/usbipd.c b/drivers/staging/usbip/userspace/src/usbipd.c
index cc3be17b9e24..3f10c5183ffc 100644
--- a/drivers/staging/usbip/userspace/src/usbipd.c
+++ b/drivers/staging/usbip/userspace/src/usbipd.c
@@ -448,6 +448,7 @@ static int do_standalone_mode(int daemonize)
 	if (daemonize) {
 		if (daemon(0, 0) < 0) {
 			err("daemonizing failed: %s", strerror(errno));
+			usbip_host_driver_close();
 			return -1;
 		}
 		umask(0);
@@ -456,14 +457,18 @@ static int do_standalone_mode(int daemonize)
 	set_signal();
 
 	ai_head = do_getaddrinfo(NULL, PF_UNSPEC);
-	if (!ai_head)
+	if (!ai_head) {
+		usbip_host_driver_close();
 		return -1;
+	}
 
 	info("starting " PROGNAME " (%s)", usbip_version_string);
 
 	nsockfd = listen_all_addrinfo(ai_head, sockfdlist);
 	if (nsockfd <= 0) {
 		err("failed to open a listening socket");
+		freeaddrinfo(ai_head);
+		usbip_host_driver_close();
 		return -1;
 	}
 	fds = calloc(nsockfd, sizeof(struct pollfd));