Simon Horman wrote: [Tue Mar 06 2007, 02:28:52AM EST]
> +/* find a block of memory aligned to 64M exclude reserved regions
> + rsvd_regions are sorted
> + */
> +static int __init
> +kdump_region_verify_rsvd_region (unsigned long base, unsigned long size,
> + struct rsvd_region *rsvd_regions, int n)
> +{
> + int i;
> +
> + for (i = 0; i < n; i++) {
> + if (__pa(rsvd_regions[i].start) < base ||
> + __pa(rsvd_regions[i].end) >= base + size - 1)
> + continue;
> + printk(KERN_WARNING "Kdump: crashkernel region 0x%lx-0x%lx "
> + "clashes with reserved region 0x%lx-0x%lx\n", base,
> + base + size - 1, __pa(rsvd_regions[i].start),
> + __pa(rsvd_regions[i].end));
> + return 0;
> + }
> + return 0;
> +}
You're returning 0 in both cases here, is that what you really want?
> +/* find a block of memory aligned to 64M exclude reserved regions
> + rsvd_regions are sorted
> + */
> +int __init
> +kdump_region_verify (unsigned long base, unsigned long size,
> + struct rsvd_region *rsvd_regions, int n)
> +{
> + /* This isn't considered to be a failure condition,
> + * but it isn't desireable either, so log it */
> + if (ALIGN(base, CRASHDUMP_ALIGNMENT) != base)
> + printk(KERN_WARNING "Kdump: warning: crashkernel region "
> + "0x%lx-0x%lx is not aligned to 0x%x\n",
> + base, base + size - 1, CRASHDUMP_ALIGNMENT);
> +
> + if (!kdump_region_verify_efi(base, size))
> + return 0;
> +
> + if (!kdump_region_verify_rsvd_region(base, size, rsvd_regions, n))
> + return 0;
> +
> + printk(KERN_INFO "Kdump: crashkernel region verified\n");
> + return 1;
> + return 1;
and here it appears you have an extra return.
Aron
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