driver core: use *switch* statement in really_probe()

There are series of comparisons of the 'ret' variable on the failure path of
really_probe(),  so the  *switch* statement  seems  more appropriate there.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index cdc779cf79a362c095d3183a0b1a51b187db1dc9..bfece0c0dba3f7c6ffa4f589ce18655d4aeecea9 100644 (file)
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -320,21 +320,25 @@ probe_failed:
        dev->driver = NULL;
        dev_set_drvdata(dev, NULL);
 
-       if (ret == -EPROBE_DEFER) {
+       switch (ret) {
+       case -EPROBE_DEFER:
                /* Driver requested deferred probing */
                dev_info(dev, "Driver %s requests probe deferral\n", drv->name);
                driver_deferred_probe_add(dev);
                /* Did a trigger occur while probing? Need to re-trigger if yes */
                if (local_trigger_count != atomic_read(&deferred_trigger_count))
                        driver_deferred_probe_trigger();
-       } else if (ret != -ENODEV && ret != -ENXIO) {
+               break;
+       case -ENODEV:
+       case -ENXIO:
+               pr_debug("%s: probe of %s rejects match %d\n",
+                        drv->name, dev_name(dev), ret);
+               break;
+       default:
                /* driver matched but the probe failed */
                printk(KERN_WARNING
                       "%s: probe of %s failed with error %d\n",
                       drv->name, dev_name(dev), ret);
-       } else {
-               pr_debug("%s: probe of %s rejects match %d\n",
-                      drv->name, dev_name(dev), ret);
        }
        /*
         * Ignore errors returned by ->probe so that the next driver can try