On 07/07/2015 04:53 PM, Dan Carpenter wrote:
On Tue, Jul 07, 2015 at 04:02:49PM +0200, Robert Baldyga wrote:
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 6e7be91..966b214 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -2897,11 +2897,19 @@ static int ffs_func_bind(struct usb_configuration *c,
struct usb_function *f)
{
struct f_fs_opts *ffs_opts = ffs_do_functionfs_bind(f, c);
+ struct ffs_function *func = ffs_func_from_usb(f);
+ int ret;
if (IS_ERR(ffs_opts))
return PTR_ERR(ffs_opts);
- return _ffs_func_bind(c, f);
+ ret = _ffs_func_bind(c, f);
+ if (ret) {
+ ffs_opts->refcnt--;
Wait, why are we decrementing here? ffs_func_unbind() already has a
decrement so this looks like a bug to me. Add a comment if it's really
needed.
Decrement is done in ffs_func_unbind() which is not called in this error
path. But after all I see another problem here, because we shouldn't
call functionfs_unbind() if refcnt after decrement is not equal zero. I
will fix it.
+ functionfs_unbind(func->ffs);
Thanks,
Robert Baldyga
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html