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USB: serial: use fallthrough pseudo-keyword

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Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.

[1] https://www.kernel.org/doc/html/latest/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Gustavo A. R. Silva 2020-07-07 14:57:47 -05:00 committed by Johan Hovold
parent 6d0bdc4284
commit 74b76256f3
4 changed files with 6 additions and 6 deletions
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4
drivers/usb/serial/cypress_m8.c
View File

@ -1046,7 +1046,7 @@ static void cypress_read_int_callback(struct urb *urb)
return;
case -EPIPE:
/* Can't call usb_clear_halt while in_interrupt */
/* FALLS THROUGH */
fallthrough;
default:
/* something ugly is going on... */
dev_err(dev, "%s - unexpected nonzero read status received: %d\n",
@ -1195,7 +1195,7 @@ static void cypress_write_int_callback(struct urb *urb)
return;
case -EPIPE:
/* Cannot call usb_clear_halt while in_interrupt */
/* FALLTHROUGH */
fallthrough;
default:
dev_err(dev, "%s - unexpected nonzero write status received: %d\n",
__func__, status);

4
drivers/usb/serial/io_edgeport.c
View File

@ -1752,7 +1752,7 @@ static void process_rcvd_data(struct edgeport_serial *edge_serial,
edge_serial->rxState = EXPECT_HDR2;
break;
}
/* Fall through */
fallthrough;
case EXPECT_HDR2:
edge_serial->rxHeader2 = *buffer;
++buffer;
@ -1804,7 +1804,7 @@ static void process_rcvd_data(struct edgeport_serial *edge_serial,
edge_serial->rxState = EXPECT_DATA;
break;
}
/* Fall through */
fallthrough;
case EXPECT_DATA: /* Expect data */
if (bufferLength < edge_serial->rxBytesRemaining) {
rxLen = bufferLength;

2
drivers/usb/serial/kobil_sct.c
View File

@ -499,7 +499,7 @@ static void kobil_set_termios(struct tty_struct *tty,
break;
default:
speed = 9600;
/* fall through */
fallthrough;
case 9600:
urb_val = SUSBCR_SBR_9600;
break;

2
drivers/usb/serial/upd78f0730.c
View File

@ -332,7 +332,7 @@ static void upd78f0730_set_termios(struct tty_struct *tty,
tty->termios.c_cflag &= ~CSIZE;
tty->termios.c_cflag |= CS8;
dev_warn(dev, "data size is not supported, using 8 bits\n");
/* fall through */
fallthrough;
case CS8:
request.params |= UPD78F0730_DATA_SIZE_8_BITS;
dev_dbg(dev, "%s - 8 data bits\n", __func__);