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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>
This commit is contained in:
Sergei Shtylyov 2015-01-17 22:14:41 +03:00 committed by Greg Kroah-Hartman
parent ba61af6f3e
commit bb2b40754f
1 changed files with 9 additions and 5 deletions
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14
drivers/base/dd.c
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@ -320,21 +320,25 @@ static int really_probe(struct device *dev, struct device_driver *drv)
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