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USB: mos7840: test and propagate set_uart_reg return value

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The test for an mos7840_set_uart_reg() error return value only works when
status is signed. propagate its error value.

Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Cc: SL Baur <steve@xemacs.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Roel Kluin 2008-04-17 06:16:24 +02:00 committed by Greg Kroah-Hartman
parent 28ffd79c31
commit 87521c46f6
1 changed files with 2 additions and 3 deletions
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5
drivers/usb/serial/mos7840.c
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@ -1713,7 +1713,7 @@ static int mos7840_tiocmset(struct usb_serial_port *port, struct file *file,
{
struct moschip_port *mos7840_port;
unsigned int mcr;
unsigned int status;
int status;
dbg("%s - port %d", __func__, port->number);
@ -1740,11 +1740,10 @@ static int mos7840_tiocmset(struct usb_serial_port *port, struct file *file,
mos7840_port->shadowMCR = mcr;
status = 0;
status = mos7840_set_uart_reg(port, MODEM_CONTROL_REGISTER, mcr);
if (status < 0) {
dbg("setting MODEM_CONTROL_REGISTER Failed\n");
return -1;
return status;
}
return 0;