diff options
| author | Roel Kluin <12o3l@tiscali.nl> | 2008-04-17 06:16:24 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-05-02 10:25:53 -0700 |
| commit | 87521c46f63f0e1cac2bf8af08942ac47bb25de5 (patch) | |
| tree | 2b90f02af6ef108028f4ab1afa53a10bc3cc4ed1 /drivers/usb/serial | |
| parent | 28ffd79c31a7bed6f610511a4d104d1255cd1d95 (diff) | |
USB: mos7840: test and propagate set_uart_reg return value
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>
Diffstat (limited to 'drivers/usb/serial')
| -rw-r--r-- | drivers/usb/serial/mos7840.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 6bcb82d3911a..78f2f6db494d 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -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; |