1 files changed, 7 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index 4d83f50cc614..2248a1999c64 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -257,6 +257,13 @@ static void *eeh_dump_pe_log(void *data, void *flag)
         struct eeh_dev *edev, *tmp;
         size_t *plen = flag;
 
+        /* If the PE's config space is blocked, 0xFF's will be
+         * returned. It's pointless to collect the log in this
+         * case.
+         */
+        if (pe->state & EEH_PE_CFG_BLOCKED)
+                return NULL;
+
         eeh_pe_for_each_dev(pe, edev, tmp)
                 *plen += eeh_dump_dev_log(edev, pci_regs_buf + *plen,
                                           EEH_PCI_REGS_LOG_LEN - *plen);