Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 094/162] usb: gadget: hid: fix error code in do_config() | Date | Wed, 24 Nov 2021 12:56:37 +0100 |
| |
From: Dan Carpenter <dan.carpenter@oracle.com>
[ Upstream commit 68e7c510fdf4f6167404609da52e1979165649f6 ]
Return an error code if usb_get_function() fails. Don't return success.
Fixes: 4bc8a33f2407 ("usb: gadget: hid: convert to new interface of f_hid") Acked-by: Felipe Balbi <balbi@kernel.org> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/20211011123739.GC15188@kili Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/usb/gadget/legacy/hid.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/legacy/hid.c b/drivers/usb/gadget/legacy/hid.c index 97329ba5d3820..5cb3359cf126e 100644 --- a/drivers/usb/gadget/legacy/hid.c +++ b/drivers/usb/gadget/legacy/hid.c @@ -103,8 +103,10 @@ static int do_config(struct usb_configuration *c) list_for_each_entry(e, &hidg_func_list, node) { e->f = usb_get_function(e->fi); - if (IS_ERR(e->f)) + if (IS_ERR(e->f)) { + status = PTR_ERR(e->f); goto put; + } status = usb_add_function(c, e->f); if (status < 0) { usb_put_function(e->f); -- 2.33.0
| |