usbserial: Reference leak
A sufficiently-large number of USB serial devices causes a reference leak when /proc/tty/drivers/usbserial is read. Signed-Off-By: Matthias Urlichs <smurf@smurf.noris.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -464,8 +464,10 @@ static int serial_read_proc (char *page, char **start, off_t off, int count, int
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length += sprintf (page+length, " path:%s", tmp);
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length += sprintf (page+length, "\n");
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if ((length + begin) > (off + count))
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if ((length + begin) > (off + count)) {
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usb_serial_put(serial);
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goto done;
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}
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if ((length + begin) < off) {
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begin += length;
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length = 0;
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