[PATCH] mxser.c: capable, look at put_user return

[Arnaldo Carvalho de Melo]

Hi,

	Please consider applying.

- Arnaldo

--- linux-2.4.0-ac4/drivers/char/mxser.c	Tue Dec 19 11:25:34 2000
+++ linux-2.4.0-ac4.acme/drivers/char/mxser.c	Tue Jan  9 14:16:21 2001
@@ -1671,7 +1671,7 @@
 	 */
 	if (inb(info->base + UART_LSR) == 0xff) {
 		restore_flags(flags);
-		if (suser()) {
+		if (capable(CAP_SYS_ADMIN)) {
 			if (info->tty)
 				set_bit(TTY_IO_ERROR, &info->tty->flags);
 			return (0);
@@ -2188,8 +2188,7 @@
 	status = inb(info->base + UART_LSR);
 	restore_flags(flags);
 	result = ((status & UART_LSR_TEMT) ? TIOCSER_TEMT : 0);
-	put_user(result, value);
-	return (0);
+	return put_user(result, value);
 }
 
 /*
@@ -2229,8 +2228,7 @@
 	    ((status & UART_MSR_RI) ? TIOCM_RNG : 0) |
 	    ((status & UART_MSR_DSR) ? TIOCM_DSR : 0) |
 	    ((status & UART_MSR_CTS) ? TIOCM_CTS : 0);
-	put_user(result, value);
-	return (0);
+	return put_user(result, value);
 }
 
 static int mxser_set_modem_info(struct mxser_struct *info, unsigned int cmd,