lp: Avoid comma separated statements

Use semicolons and braces.

Signed-off-by: Joe Perches <joe@perches.com>
Link: https://lore.kernel.org/r/850c60ea44927e8cb7604d178c613ff8fc667984.1598331148.git.joe@perches.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/char/lp.c

@@ -853,8 +853,10 @@ static void lp_console_write(struct console *co, const char *s,
 			count--;
 			do {
 				written = parport_write(port, crlf, i);
-				if (written > 0)
+				if (written > 0) {
-					i -= written, crlf += written;
+					i -= written;
+					crlf += written;
+				}
 			} while (i > 0 && (CONSOLE_LP_STRICT || written > 0));
 		}
 	} while (count > 0 && (CONSOLE_LP_STRICT || written > 0));