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authorAlan Stern <stern@rowland.harvard.edu>2009-04-27 13:22:40 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2009-05-08 19:34:56 -0700
commit0f43158caddcbb110916212ebe4e39993ae70864 (patch)
tree8abb9161fedf231180ffa2828010670d51a25357 /drivers/usb/gadget
parent72a772a9a3da47e1cdbe01c4aa1105aa8badfff2 (diff)
downloadop-kernel-dev-0f43158caddcbb110916212ebe4e39993ae70864.zip
op-kernel-dev-0f43158caddcbb110916212ebe4e39993ae70864.tar.gz
USB: Gadget: fix UTF conversion in the usbstring library
This patch (as1234) fixes a bug in the UTF8 -> UTF-16 conversion routine in the gadget/usbstring library. In a UTF-8 multi-byte sequence, all bytes after the first should have their high-order two bits set to 10, not 11. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/usbstring.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/gadget/usbstring.c b/drivers/usb/gadget/usbstring.c
index 4154be3..58c4d37 100644
--- a/drivers/usb/gadget/usbstring.c
+++ b/drivers/usb/gadget/usbstring.c
@@ -38,7 +38,7 @@ static int utf8_to_utf16le(const char *s, __le16 *cp, unsigned len)
uchar = (c & 0x1f) << 6;
c = (u8) *s++;
- if ((c & 0xc0) != 0xc0)
+ if ((c & 0xc0) != 0x80)
goto fail;
c &= 0x3f;
uchar |= c;
@@ -49,13 +49,13 @@ static int utf8_to_utf16le(const char *s, __le16 *cp, unsigned len)
uchar = (c & 0x0f) << 12;
c = (u8) *s++;
- if ((c & 0xc0) != 0xc0)
+ if ((c & 0xc0) != 0x80)
goto fail;
c &= 0x3f;
uchar |= c << 6;
c = (u8) *s++;
- if ((c & 0xc0) != 0xc0)
+ if ((c & 0xc0) != 0x80)
goto fail;
c &= 0x3f;
uchar |= c;
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