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-rw-r--r--arch/i386/kernel/acpi/boot.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 82754bb80e20..f36677241ecd 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -542,7 +542,7 @@ acpi_scan_rsdp(unsigned long start, unsigned long length)
* RSDP signature.
*/
for (offset = 0; offset < length; offset += 16) {
- if (strncmp((char *)(start + offset), "RSD PTR ", sig_len))
+ if (strncmp((char *)(phys_to_virt(start) + offset), "RSD PTR ", sig_len))
continue;
return (start + offset);
}
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