drivers/edac: fix ignored return i82875p

Compiling this module gave a warning that the return value of
'pci_bus_add_device()' was not checked.

This patch adds that check and an output message

Signed-off-by:	Douglas Thompson <dougthompson@xmission.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/edac/i82875p_edac.c b/drivers/edac/i82875p_edac.c
index 089ec397ca6a..ce5f0053cdd3 100644
--- a/drivers/edac/i82875p_edac.c
+++ b/drivers/edac/i82875p_edac.c
@@ -270,6 +270,7 @@ static int i82875p_setup_overfl_dev(struct pci_dev *pdev,
 {
         struct pci_dev *dev;
         void __iomem *window;
+        int err;
 
         *ovrfl_pdev = NULL;
         *ovrfl_window = NULL;
@@ -287,7 +288,12 @@ static int i82875p_setup_overfl_dev(struct pci_dev *pdev,
                 if (dev == NULL)
                         return 1;
 
-                pci_bus_add_device(dev);
+                err = pci_bus_add_device(dev);
+                if (err) {
+                        i82875p_printk(KERN_ERR,
+                                "%s(): pci_bus_add_device() Failed\n",
+                                __func__);
+                }
         }
 
         *ovrfl_pdev = dev;