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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> | 2021-03-24 11:26:41 +0100 |
| commit | c92aebf2b0f311ec19f70ebe3669a2534ef1c203 (patch) | |
| tree | 6201cb888c1a99104683272b6a01f366368e4939 /include/uapi/linux/usb | |
| parent | f89366164693bc7e59e41bcef3e20894767159da (diff) | |
| download | linux-c92aebf2b0f311ec19f70ebe3669a2534ef1c203.tar.gz linux-c92aebf2b0f311ec19f70ebe3669a2534ef1c203.tar.bz2 linux-c92aebf2b0f311ec19f70ebe3669a2534ef1c203.zip | |
USB: replace hardcode maximum usb string length by definition
commit 81c7462883b0cc0a4eeef0687f80ad5b5baee5f6 upstream.
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/linux/usb')
| -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 2b623f36af6b..5633c804683e 100644 --- a/include/uapi/linux/usb/ch9.h +++ b/include/uapi/linux/usb/ch9.h @@ -364,6 +364,9 @@ 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; |