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authorJohan Hovold <johan@kernel.org>2017-05-11 11:41:20 +0200
committerJohan Hovold <johan@kernel.org>2017-05-15 11:51:15 +0200
commit26cede343656c0bc2c33cdc783771282405c7fb2 (patch)
treea3f6d25d62b373a84fc8fdf1cc76cdac27ad8c73 /drivers/usb/serial
parentUSB: serial: ir-usb: fix big-endian baud-rate debug printk (diff)
downloadlinux-26cede343656c0bc2c33cdc783771282405c7fb2.tar.xz
linux-26cede343656c0bc2c33cdc783771282405c7fb2.zip
USB: serial: mct_u232: fix big-endian baud-rate handling
Drop erroneous cpu_to_le32 when setting the baud rate, something which corrupted the divisor on big-endian hosts. Found using sparse: warning: incorrect type in argument 1 (different base types) expected unsigned int [unsigned] [usertype] val got restricted __le32 [usertype] <noident> Fixes: af2ac1a091bc ("USB: serial mct_usb232: move DMA buffers to heap") Cc: stable <stable@vger.kernel.org> # 2.6.34 Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-By: Pete Zaitcev <zaitcev@yahoo.com> Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/usb/serial')
-rw-r--r--drivers/usb/serial/mct_u232.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index edbc81f205c2..70f346f1aa86 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -189,7 +189,7 @@ static int mct_u232_set_baud_rate(struct tty_struct *tty,
return -ENOMEM;
divisor = mct_u232_calculate_baud_rate(serial, value, &speed);
- put_unaligned_le32(cpu_to_le32(divisor), buf);
+ put_unaligned_le32(divisor, buf);
rc = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
MCT_U232_SET_BAUD_RATE_REQUEST,
MCT_U232_SET_REQUEST_TYPE,