i7core_edac: Check probe counter in i7core_remove

Prevent i7core_remove from running multiple times.
Otherwise value proved will be negative and something will be wrong.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index 2e2db3c083ed..472fa375f1eb 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -2092,6 +2092,12 @@ static void __devexit i7core_remove(struct pci_dev *pdev)
          */
 
         mutex_lock(&i7core_edac_lock);
+
+        if (unlikely(!probed)) {
+                mutex_unlock(&i7core_edac_lock);
+                return;
+        }
+
         list_for_each_entry(i7core_dev, &i7core_edac_list, list) {
                 mci = find_mci_by_dev(&i7core_dev->pdev[0]->dev);
                 if (unlikely(!mci || !mci->pvt_info)) {