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authorDan Carpenter <dan.carpenter@oracle.com>2021-10-11 15:37:39 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-11-26 11:58:40 +0100
commit5c89f8331be2d953c29c16219f8fe8e9a69b1ce6 (patch)
treea21a2fe4262826964595f0ed5508e0ce563d7155
parentafebbd7a7e895fa194a9ca764fdf8b2c555b47be (diff)
usb: gadget: hid: fix error code in do_config()
[ 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>
-rw-r--r--drivers/usb/gadget/legacy/hid.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/gadget/legacy/hid.c b/drivers/usb/gadget/legacy/hid.c
index 97329ba5d382..5cb3359cf126 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);