usb : gadget : usbstring : fix style problems

Minor fixes for problems found by checkpatch.pl in usbstring.c.

---

b/drivers/usb/gadget/usbstring.c
index 58c4d37..2bdc56a 100644

@@ -32,8 +32,9 @@ static int utf8_to_utf16le(const char *s, __le16 *cp,

unsigned len)
*/
while (len != 0 && (c = (u8) *s++) != 0) {
if (unlikely(c & 0x80)) {
- // 2-byte sequence:
- // 00000yyyyyxxxxxx = 110yyyyy 10xxxxxx
+ /* 2-byte sequence:
+ * 00000yyyyyxxxxxx = 110yyyyy 10xxxxxx
+ */
if ((c & 0xe0) == 0xc0) {
uchar = (c & 0x1f) << 6;

@@ -43,8 +44,9 @@ static int utf8_to_utf16le(const char *s, __le16 *cp, unsigned len)
c &= 0x3f;
uchar |= c;

- // 3-byte sequence (most CJKV characters):
- // zzzzyyyyyyxxxxxx = 1110zzzz 10yyyyyy 10xxxxxx
+ /* 3-byte sequence (most CJKV characters):
+ * zzzzyyyyyyxxxxxx = 1110zzzz 10yyyyyy 10xxxxxx
+ */
} else if ((c & 0xf0) == 0xe0) {
uchar = (c & 0x0f) << 12;

@@ -64,12 +66,12 @@ static int utf8_to_utf16le(const char *s, __le16 *cp, unsigned len)
if (0xd800 <= uchar && uchar <= 0xdfff)
goto fail;

- // 4-byte sequence (surrogate pairs, currently rare):
- // 11101110wwwwzzzzyy + 110111yyyyxxxxxx
- // = 11110uuu 10uuzzzz 10yyyyyy 10xxxxxx
- // (uuuuu = wwww + 1)
- // FIXME accept the surrogate code points (only)
-
+ /* 4-byte sequence (surrogate pairs, currently rare):
+ * 11101110wwwwzzzzyy + 110111yyyyxxxxxx
+ * = 11110uuu 10uuzzzz 10yyyyyy 10xxxxxx
+ * (uuuuu = wwww + 1)
+ * FIXME accept the surrogate code points (only)
+ */
} else
goto fail;
} else
@@ -85,7 +87,7 @@ fail:

/**
- * usb_gadget_get_string - fill out a string descriptor
+ * usb_gadget_get_string - fill out a string descriptor
* @table: of c strings encoded using UTF-8
* @id: string id, from low byte of wValue in get string descriptor
* @buf: at least 256 bytes
@@ -102,17 +104,17 @@ fail:
* characters (which are also widely used in C strings). */
int
-usb_gadget_get_string (struct usb_gadget_strings *table, int id, u8 *buf)
+usb_gadget_get_string(struct usb_gadget_strings *table, int id, u8 *buf)
{
struct usb_string *s;
int len;

/* descriptor 0 has the language id */
if (id == 0) {
- buf [0] = 4;
- buf [1] = USB_DT_STRING;
- buf [2] = (u8) table->language;
- buf [3] = (u8) (table->language >> 8);
+ buf[0] = 4;
+ buf[1] = USB_DT_STRING;
+ buf[2] = (u8) table->language;
+ buf[3] = (u8) (table->language >> 8);
return 4;
}
for (s = table->strings; s && s->s; s++)
@@ -124,13 +126,13 @@ usb_gadget_get_string (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));
- memset (buf + 2, 0, 2 * len); /* zero all the bytes */
+ len = min((size_t) 126, strlen(s->s));
+ memset(buf + 2, 0, 2 * len); /* zero all the bytes */
len = utf8_to_utf16le(s->s, (__le16 *)&buf[2], len); if (len < 0)
return -EINVAL;
- buf [0] = (len + 1) * 2;
- buf [1] = USB_DT_STRING;
- return buf [0];
+ buf[0] = (len + 1) * 2;
+ buf[1] = USB_DT_STRING;
+ return buf[0];
}

list here the return from checkpatch.pl --terse just so we know what you're fixing.

balbi

Thanks for your review. I will send the corrected patch soon.

Hello.

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