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| author | Macpaul Lin <macpaul.lin@mediatek.com> | 2020-06-18 12:13:38 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-06-18 17:07:57 +0300 |
| commit | 81c7462883b0cc0a4eeef0687f80ad5b5baee5f6 (patch) | |
| tree | 5f1cb16db49460e9a7947deb8fb65e23a1526cb1 /include/uapi | |
| parent | cda37dbbf17a3a49d434bd1c85eff762faebf3ef (diff) | |
| download | linux-81c7462883b0cc0a4eeef0687f80ad5b5baee5f6.tar.xz | |
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 'include/uapi')
| -rw-r--r-- | include/uapi/linux/usb/ch9.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h index 456ab0c2b586..b1ed2ccfe9cf 100644 --- a/include/uapi/linux/usb/ch9.h +++ b/include/uapi/linux/usb/ch9.h @@ -368,6 +368,9 @@ struct usb_config_descriptor { /*-------------------------------------------------------------------------*/ +/* USB String descriptors can contain at most 126 characters. */ +#define USB_MAX_STRING_LEN 126 + /* USB_DT_STRING: String descriptor */ struct usb_string_descriptor { __u8 bLength; |