Ping?
Samuel Thibault, on Fri 15 Jan 2016 00:47:41 +0100, wrote:
> Commit f79b0d9c223c ("staging: speakup: Fixed warning <linux/serial.h>
> instead of <asm/serial.h>") broke the port information in the speakup
> driver: SERIAL_PORT_DFNS only gets defined if asm/serial.h is included,
> and no other header includes asm/serial.h.
>
> We here make sure serialio.c does get the arch-specific definition of
> SERIAL_PORT_DFNS from asm/serial.h, if any.
>
> Along the way, this makes sure that we do have information for the
> requested serial port number (index)
>
> Signed-off-by: Samuel Thibault <samuel.thiba...@ens-lyon.org>
> Fixes: f79b0d9c223c ("staging: speakup: Fixed warning <linux/serial.h>
> instead of <asm/serial.h>")
>
> --- a/drivers/staging/speakup/serialio.c
> +++ b/drivers/staging/speakup/serialio.c
> @@ -6,6 +6,11 @@
> #include "spk_priv.h"
> #include "serialio.h"
>
> +#include <linux/serial_core.h>
> +/* WARNING: Do not change this to <linux/serial.h> without testing that
> + * SERIAL_PORT_DFNS does get defined to the appropriate value. */
> +#include <asm/serial.h>
> +
> #ifndef SERIAL_PORT_DFNS
> #define SERIAL_PORT_DFNS
> #endif
> @@ -23,9 +28,15 @@ const struct old_serial_port *spk_serial
> int baud = 9600, quot = 0;
> unsigned int cval = 0;
> int cflag = CREAD | HUPCL | CLOCAL | B9600 | CS8;
> - const struct old_serial_port *ser = rs_table + index;
> + const struct old_serial_port *ser;
> int err;
>
> + if (index >= ARRAY_SIZE(rs_table)) {
> + pr_info("no port info for ttyS%d\n", index);
> + return NULL;
> + }
> + ser = rs_table + index;
> +
> /* Divisor, bytesize and parity */
> quot = ser->baud_base / baud;
> cval = cflag & (CSIZE | CSTOPB);
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