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| author | Macpaul Lin <macpaul.lin@mediatek.com> | 2020-06-18 17:13:38 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-06-18 16:07:57 +0200 |
| commit | 81c7462883b0cc0a4eeef0687f80ad5b5baee5f6 (patch) | |
| tree | 5f1cb16db49460e9a7947deb8fb65e23a1526cb1 /drivers/usb/gadget/usbstring.c | |
| parent | cda37dbbf17a3a49d434bd1c85eff762faebf3ef (diff) | |
| download | linux-81c7462883b0cc0a4eeef0687f80ad5b5baee5f6.tar.bz2 | |
USB: replace hardcode maximum usb string length by definition
Replace hardcoded maximum USB string length (126 bytes) by definition
"USB_MAX_STRING_LEN".
Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/1592471618-29428-1-git-send-email-macpaul.lin@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget/usbstring.c')
| -rw-r--r-- | drivers/usb/gadget/usbstring.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/gadget/usbstring.c b/drivers/usb/gadget/usbstring.c index 58a4d3325090..30f889ad3ad2 100644 --- a/drivers/usb/gadget/usbstring.c +++ b/drivers/usb/gadget/usbstring.c @@ -55,9 +55,9 @@ usb_gadget_get_string (const struct usb_gadget_strings *table, int id, u8 *buf) return -EINVAL; /* string descriptors have length, tag, then UTF16-LE text */ - len = min ((size_t) 126, strlen (s->s)); + len = min((size_t)USB_MAX_STRING_LEN, strlen(s->s)); len = utf8s_to_utf16s(s->s, len, UTF16_LITTLE_ENDIAN, - (wchar_t *) &buf[2], 126); + (wchar_t *) &buf[2], USB_MAX_STRING_LEN); if (len < 0) return -EINVAL; buf [0] = (len + 1) * 2; |