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https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbutils.git
synced 2024-11-23 02:43:52 +08:00
lsusb-t: fix memory leak
The lists were never being cleaned up when finished, so properly walk them and free the allocated the memory that was allocated. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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parent
d04e63e551
commit
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23
lsusb-t.c
23
lsusb-t.c
@ -717,6 +717,28 @@ static void print_tree(void)
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}
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}
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static void cleanup(void)
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{
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struct usbdevice *device, *tempd;
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struct usbinterface *interface, *templ;
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struct usbbusnode *bus, *tempb;
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list_for_each_safe(&usbdevlist, device, tempd, list) {
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free(device);
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}
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list_for_each_safe(&interfacelist, interface, templ, list) {
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free(interface);
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}
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bus = usbbuslist;
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while (bus) {
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tempb = bus->next;
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free(bus);
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bus = tempb;
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}
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}
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int lsusb_t(void)
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{
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DIR *sbud = opendir(sys_bus_usb_devices);
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@ -727,6 +749,7 @@ int lsusb_t(void)
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sort_devices();
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sort_busses();
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print_tree();
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cleanup();
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} else
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perror(sys_bus_usb_devices);
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return sbud == NULL;
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