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xen/arm: Panic if we can't copy the DTB to dom0 memory
Signed-off-by: Julien Grall <julien.grall@linaro.org> Acked-by: Ian Campbell <ian.campbell@citrix.com>
This commit is contained in:
Julien Grall authored and 
Ian Campbell committed
1 parent
8529ac933e
commit
ffcbfb66ee
1 file changed
+4
-1
@@ -535,11 +535,14 @@ static int prepare_dtb(struct domain *d, struct kernel_info *kinfo)
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static void dtb_load(struct kernel_info *kinfo)
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{
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void * __user dtb_virt = (void * __user)(register_t)kinfo->dtb_paddr;
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unsigned long rc;
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printk("Loading dom0 DTB to 0x%"PRIpaddr"-0x%"PRIpaddr"\n",
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kinfo->dtb_paddr, kinfo->dtb_paddr + fdt_totalsize(kinfo->fdt));
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raw_copy_to_guest(dtb_virt, kinfo->fdt, fdt_totalsize(kinfo->fdt));
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rc = raw_copy_to_guest(dtb_virt, kinfo->fdt, fdt_totalsize(kinfo->fdt));
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if ( rc != 0 )
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panic("Unable to copy the DTB to dom0 memory (rc = %lu)\n", rc);
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xfree(kinfo->fdt);
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}
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