[PATCH v3 1/3] EDAC: mv64x60: check driver registration success

[Chris Packham]

Check the return status of platform_driver_register() in
mv64x60_edac_init(). Only output messages and initialise the
edac_op_state if the registration is successful.

Signed-off-by: Chris Packham <chris.pack...@alliedtelesis.co.nz>
---
Changes in v3:
- catch the retval of platform_register_drivers and return early on failure
  (thanks Borislav).

 drivers/edac/mv64x60_edac.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/edac/mv64x60_edac.c b/drivers/edac/mv64x60_edac.c
index 14b7e7b71eaa..172081551a70 100644
--- a/drivers/edac/mv64x60_edac.c
+++ b/drivers/edac/mv64x60_edac.c
@@ -853,7 +853,11 @@ static struct platform_driver * const drivers[] = {
 
 static int __init mv64x60_edac_init(void)
 {
-       int ret = 0;
+       int ret;
+
+       ret = platform_register_drivers(drivers, ARRAY_SIZE(drivers));
+       if (ret)
+               return ret;
 
        printk(KERN_INFO "Marvell MV64x60 EDAC driver " MV64x60_REVISION "\n");
        printk(KERN_INFO "\t(C) 2006-2007 MontaVista Software\n");
@@ -867,7 +871,7 @@ static int __init mv64x60_edac_init(void)
                break;
        }
 
-       return platform_register_drivers(drivers, ARRAY_SIZE(drivers));
+       return 0;
 }
 module_init(mv64x60_edac_init);
 
-- 
2.13.0