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serial: 8250: move rx_running out of the bitfield

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That bitfield is modified by read + or + write operation. If someone
sets any of the other two bits it might render the lock useless.

While at it, remove other bitfields as well to avoid more such
errors.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
John Ogness 2015-08-14 18:01:02 +02:00 committed by Greg Kroah-Hartman
parent 830acf9e30
commit eafb9eea76
1 changed files with 3 additions and 3 deletions
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6
drivers/tty/serial/8250/8250.h
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@ -42,9 +42,9 @@ struct uart_8250_dma {
size_t rx_size;
size_t tx_size;
unsigned char tx_running:1;
unsigned char tx_err: 1;
unsigned char rx_running:1;
unsigned char tx_running;
unsigned char tx_err;
unsigned char rx_running;
};
struct old_serial_port {