diff options
| -rw-r--r-- | drivers/usb/gadget/function/f_subset.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/f_subset.c b/drivers/usb/gadget/function/f_subset.c index ea3fdd842462..a404c11acac6 100644 --- a/drivers/usb/gadget/function/f_subset.c +++ b/drivers/usb/gadget/function/f_subset.c @@ -6,6 +6,7 @@ * Copyright (C) 2008 Nokia Corporation */ +#include <linux/cleanup.h> #include <linux/slab.h> #include <linux/kernel.h> #include <linux/module.h> @@ -449,8 +450,13 @@ static struct usb_function_instance *geth_alloc_inst(void) static void geth_free(struct usb_function *f) { struct f_gether *eth; + struct f_gether_opts *opts; + + opts = container_of(f->fi, struct f_gether_opts, func_inst); eth = func_to_geth(f); + scoped_guard(mutex, &opts->lock) + opts->refcnt--; kfree(eth); } |