The patch titled
serial: fix serial_match_port() for dynamic major tty-device numbers
has been added to the -mm tree. Its filename is
serial-fix-serial_match_port-for-dynamic-major-tty-device-numbers.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: serial: fix serial_match_port() for dynamic major tty-device numbers
From: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
As reported by Vipul Gandhi, the current serial_match_port() doesn't work
for tty-devices using dynamic major number allocation. Fix it.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
Tested-by: Vipul Gandhi <vcgandhi1@xxxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/serial/serial_core.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff -puN drivers/serial/serial_core.c~serial-fix-serial_match_port-for-dynamic-major-tty-device-numbers drivers/serial/serial_core.c
--- a/drivers/serial/serial_core.c~serial-fix-serial_match_port-for-dynamic-major-tty-device-numbers
+++ a/drivers/serial/serial_core.c
@@ -1991,7 +1991,9 @@ struct uart_match {
static int serial_match_port(struct device *dev, void *data)
{
struct uart_match *match = data;
- dev_t devt = MKDEV(match->driver->major, match->driver->minor) + match->port->line;
+ struct tty_driver *tty_drv = match->driver->tty_driver;
+ dev_t devt = MKDEV(tty_drv->major, tty_drv->minor_start) +
+ match->port->line;
return dev->devt == devt; /* Actually, only one tty per port */
}
_
Patches currently in -mm which might be from g.liakhovetski@xxxxxx are
serial-fix-serial_match_port-for-dynamic-major-tty-device-numbers.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
