"Mittal, Mukund" <[email protected]> writes:

> From: Mukund Mittal <[email protected]>
>
> OMAP: timer-gp: Fix for null pointer dereferencing issue
>
> There was a null pointer dereferencing issue for gpt pointer. 
> It was checked and an error was printed but execution was not terminated. 
> Fixed by calling function BUG().

I think BUG() is a bit drastic here.  I think it should probably
WARN() and fail gracefully instead of grind to a screeching halt.

Kevin

> Signed-off-by: Mukund Mittal <[email protected]>
> ---
>  arch/arm/mach-omap2/timer-gp.c |   14 +++++++-------
>  1 files changed, 7 insertions(+), 7 deletions(-)
>
> Index: linux-omap-2.6/arch/arm/mach-omap2/timer-gp.c
> ===================================================================
> --- linux-omap-2.6.orig/arch/arm/mach-omap2/timer-gp.c
> +++ linux-omap-2.6/arch/arm/mach-omap2/timer-gp.c
> @@ -205,14 +205,13 @@ static void __init omap2_gp_clocksource_
>  {
>       static struct omap_dm_timer *gpt;
>       u32 tick_rate, tick_period;
> -     static char err1[] __initdata = KERN_ERR
> -             "%s: failed to request dm-timer\n";
> -     static char err2[] __initdata = KERN_ERR
> -             "%s: can't register clocksource!\n";
>  
>       gpt = omap_dm_timer_request();
> -     if (!gpt)
> -             printk(err1, clocksource_gpt.name);
> +     if (!gpt) {
> +             printk(KERN_ERR "%s: failed to request dm-timer\n",
> +                     clocksource_gpt.name);
> +             BUG();
> +     }
>       gpt_clocksource = gpt;
>  
>       omap_dm_timer_set_source(gpt, OMAP_TIMER_SRC_SYS_CLK);
> @@ -224,7 +223,8 @@ static void __init omap2_gp_clocksource_
>       clocksource_gpt.mult =
>               clocksource_khz2mult(tick_rate/1000, clocksource_gpt.shift);
>       if (clocksource_register(&clocksource_gpt))
> -             printk(err2, clocksource_gpt.name);
> +             printk(KERN_ERR "%s: can't register clocksource!\n",
> +                     clocksource_gpt.name);
>  }
>  #endif
>
>  --
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