[PATCH] I2O: handle a few sysfs errors

Signed-off-by: Jeff Garzik <jeff@garzik.org>
Cc: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 24 insertions, 5 deletions

diff --git a/drivers/message/i2o/bus-osm.c b/drivers/message/i2o/bus-osm.c
index ac06f10c54ec..d96c687aee93 100644
--- a/drivers/message/i2o/bus-osm.c
+++ b/drivers/message/i2o/bus-osm.c
@@ -80,18 +80,26 @@ static DEVICE_ATTR(scan, S_IWUSR, NULL, i2o_bus_store_scan);
  *      @dev: device to verify if it is a I2O Bus Adapter device
  *
  *      Because we want all Bus Adapters always return 0.
+ *      Except when we fail.  Then we are sad.
  *
- *      Returns 0.
+ *      Returns 0, except when we fail to excel.
  */
 static int i2o_bus_probe(struct device *dev)
 {
         struct i2o_device *i2o_dev = to_i2o_device(get_device(dev));
+        int rc;
 
-        device_create_file(dev, &dev_attr_scan);
+        rc = device_create_file(dev, &dev_attr_scan);
+        if (rc)
+                goto err_out;
 
         osm_info("device added (TID: %03x)\n", i2o_dev->lct_data.tid);
 
         return 0;
+
+err_out:
+        put_device(dev);
+        return rc;
 };
 
 /**
diff --git a/drivers/message/i2o/exec-osm.c b/drivers/message/i2o/exec-osm.c
index 7bd4d85d0b42..91f95d172ca5 100644
--- a/drivers/message/i2o/exec-osm.c
+++ b/drivers/message/i2o/exec-osm.c
@@ -325,13 +325,24 @@ static DEVICE_ATTR(product_id, S_IRUGO, i2o_exec_show_product_id, NULL);
 static int i2o_exec_probe(struct device *dev)
 {
         struct i2o_device *i2o_dev = to_i2o_device(dev);
+        int rc;
 
-        i2o_event_register(i2o_dev, &i2o_exec_driver, 0, 0xffffffff);
+        rc = i2o_event_register(i2o_dev, &i2o_exec_driver, 0, 0xffffffff);
+        if (rc) goto err_out;
 
-        device_create_file(dev, &dev_attr_vendor_id);
-        device_create_file(dev, &dev_attr_product_id);
+        rc = device_create_file(dev, &dev_attr_vendor_id);
+        if (rc) goto err_evtreg;
+        rc = device_create_file(dev, &dev_attr_product_id);
+        if (rc) goto err_vid;
 
         return 0;
+
+err_vid:
+        device_remove_file(dev, &dev_attr_vendor_id);
+err_evtreg:
+        i2o_event_register(to_i2o_device(dev), &i2o_exec_driver, 0, 0);
+err_out:
+        return rc;
 };
 
 /**