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authorShuah Khan (Samsung OSG) <shuah@kernel.org>2018-05-29 16:13:03 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-05-31 12:44:39 +0200
commitd179f99a651685b19333360e6558110da2fe9bd7 (patch)
treef1e392a64d7d3ca93cb6dc3726dd6d78e1f788e9 /tools/usb
parentedf380046b0a726de26fc29015556a11288940ac (diff)
downloadlinux-d179f99a651685b19333360e6558110da2fe9bd7.tar.bz2
usbip: usbip_detach: Fix memory, udev context and udev leak
detach_port() fails to call usbip_vhci_driver_close() from its error path after usbip_vhci_detach_device() returns failure, leaking memory allocated in usbip_vhci_driver_open() and holding udev_context and udev references. Fix it to call usbip_vhci_driver_close(). Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/usb')
-rw-r--r--tools/usb/usbip/src/usbip_detach.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/tools/usb/usbip/src/usbip_detach.c b/tools/usb/usbip/src/usbip_detach.c
index 9db9d21bb2ec..6a8db858caa5 100644
--- a/tools/usb/usbip/src/usbip_detach.c
+++ b/tools/usb/usbip/src/usbip_detach.c
@@ -43,7 +43,7 @@ void usbip_detach_usage(void)
static int detach_port(char *port)
{
- int ret;
+ int ret = 0;
uint8_t portnum;
char path[PATH_MAX+1];
@@ -73,9 +73,12 @@ static int detach_port(char *port)
}
ret = usbip_vhci_detach_device(portnum);
- if (ret < 0)
- return -1;
+ if (ret < 0) {
+ ret = -1;
+ goto call_driver_close;
+ }
+call_driver_close:
usbip_vhci_driver_close();
return ret;