diff options
Diffstat (limited to 'drivers/usb/gadget/configfs.c')
| -rw-r--r-- | drivers/usb/gadget/configfs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index fba2a56dae97..f94ea196ce54 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -1065,6 +1065,8 @@ static ssize_t webusb_landingPage_store(struct config_item *item, const char *pa unsigned int bytes_to_strip = 0; int l = len; + if (!len) + return len; if (page[l - 1] == '\n') { --l; ++bytes_to_strip; @@ -1188,6 +1190,8 @@ static ssize_t os_desc_qw_sign_store(struct config_item *item, const char *page, struct gadget_info *gi = os_desc_item_to_gadget_info(item); int res, l; + if (!len) + return len; l = min_t(int, len, OS_STRING_QW_SIGN_LEN >> 1); if (page[l - 1] == '\n') --l; |