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-rw-r--r--arch/powerpc/platforms/pseries/ras.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index 7b3cbde..721c058 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -287,6 +287,9 @@ static struct rtas_error_log *fwnmi_get_errinfo(struct pt_regs *regs)
unsigned long *savep;
struct rtas_error_log *h, *errhdr = NULL;
+ /* Mask top two bits */
+ regs->gpr[3] &= ~(0x3UL << 62);
+
if (!VALID_FWNMI_BUFFER(regs->gpr[3])) {
printk(KERN_ERR "FWNMI: corrupt r3 0x%016lx\n", regs->gpr[3]);
return NULL;
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