From: Vincent Heuken Date: Fri, 20 Jun 2014 16:49:51 +0000 (-0700) Subject: Staging: serqt_usb2: fixed frivolous else statement warnings X-Git-Tag: firefly_0821_release~176^2~3491^2~1559 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ee01e6334783297a91f4978c390a2a934cfa7a62;p=firefly-linux-kernel-4.4.55.git Staging: serqt_usb2: fixed frivolous else statement warnings This is a patch to the serqt_usb2.c file that fixes three instances of the following checkpatch.pl warning: WARNING: else is not generally useful after a break or return Signed-off-by: Vincent Heuken Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/serqt_usb2/serqt_usb2.c b/drivers/staging/serqt_usb2/serqt_usb2.c index 5e97726d4d66..999757de8fd5 100644 --- a/drivers/staging/serqt_usb2/serqt_usb2.c +++ b/drivers/staging/serqt_usb2/serqt_usb2.c @@ -982,9 +982,8 @@ static void qt_block_until_empty(struct tty_struct *tty, if (wait == 0) { dev_dbg(&qt_port->port->dev, "%s - TIMEOUT", __func__); return; - } else { - wait = 30; } + wait = 30; } } @@ -1120,6 +1119,7 @@ static int qt_ioctl(struct tty_struct *tty, struct usb_serial_port *port = tty->driver_data; struct quatech_port *qt_port = qt_get_port_private(port); unsigned int index; + char diff; dev_dbg(&port->dev, "%s cmd 0x%04x\n", __func__, cmd); @@ -1133,25 +1133,24 @@ static int qt_ioctl(struct tty_struct *tty, #endif if (signal_pending(current)) return -ERESTARTSYS; - else { - char diff = qt_port->diff_status; - - if (diff == 0) - return -EIO; /* no change => error */ - - /* Consume all events */ - qt_port->diff_status = 0; - - if (((arg & TIOCM_RNG) - && (diff & SERIAL_MSR_RI)) - || ((arg & TIOCM_DSR) - && (diff & SERIAL_MSR_DSR)) - || ((arg & TIOCM_CD) - && (diff & SERIAL_MSR_CD)) - || ((arg & TIOCM_CTS) - && (diff & SERIAL_MSR_CTS))) { - return 0; - } + + diff = qt_port->diff_status; + + if (diff == 0) + return -EIO; /* no change => error */ + + /* Consume all events */ + qt_port->diff_status = 0; + + if (((arg & TIOCM_RNG) + && (diff & SERIAL_MSR_RI)) + || ((arg & TIOCM_DSR) + && (diff & SERIAL_MSR_DSR)) + || ((arg & TIOCM_CD) + && (diff & SERIAL_MSR_CD)) + || ((arg & TIOCM_CTS) + && (diff & SERIAL_MSR_CTS))) { + return 0; } } return 0; @@ -1379,8 +1378,8 @@ static inline int qt_real_tiocmset(struct tty_struct *tty, box_set_register(port->serial, index, MODEM_CONTROL_REGISTER, mcr); if (status < 0) return -ESPIPE; - else - return 0; + + return 0; } static int qt_tiocmget(struct tty_struct *tty)