Re: [patch 18/28] watchdog: Remove BKL from rio watchdog driver

[David Miller]

From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Date: Sat, 10 Oct 2009 15:36:48 -0000

> cycle_kernel_lock() was added with the BKL pushdown. The rio driver
> indeed needs that because riowd_device is initialized after
> misc_register(). So an open(), write/ioctl() which happens to get
> between misc_register returning and riowd_device initialization would
> dereference a NULL pointer.
> 
> Move riowd_device initialization before misc_register() and get rid of
> cycle_kernel_lock().
> 
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

Also applied to sparc-next-2.6, thanks!
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/