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2010-02-13 Vladimir Serbinenko <phcoder@gmail.com>

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* loader/sparc64/ieee1275/linux.c (alloc_phys): Correct bounds checking.
This commit is contained in:
Vladimir 'phcoder' Serbinenko committed 2010-02-13 16:30:22 +01:00
1 parent 17cec782c4
commit 8c6052cea5
2 files changed
+9 -5
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loader/sparc64/ieee1275/linux.c
+5 -5
View File
@@ -193,20 +193,20 @@ alloc_phys (grub_addr_t size)
return 0;
addr = align_addr (addr, FOUR_MB);
if (addr >= end)
if (addr + size >= end)
return 0;
if (addr >= grub_phys_start && addr < grub_phys_end)
{
addr = align_addr (grub_phys_end, FOUR_MB);
if (addr >= end)
if (addr + size >= end)
return 0;
}
if ((addr + size) >= grub_phys_start
&& (addr + size) < grub_phys_end)
{
addr = align_addr (grub_phys_end, FOUR_MB);
if (addr >= end)
if (addr + size >= end)
return 0;
}
@@ -217,14 +217,14 @@ alloc_phys (grub_addr_t size)
if (addr >= linux_paddr && addr < linux_end)
{
addr = linux_end;
if (addr >= end)
if (addr + size >= end)
return 0;
}
if ((addr + size) >= linux_paddr
&& (addr + size) < linux_end)
{
addr = linux_end;
if (addr >= end)
if (addr + size >= end)
return 0;
}
}