i2c: add error message when obtaining idr fails

Fix some whitespace issues while here.

Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

1 files changed, 4 insertions, 5 deletions

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 8e07e3be4880..1a91b5173104 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -1684,13 +1684,12 @@ out_list:
  */
 static int __i2c_add_numbered_adapter(struct i2c_adapter *adap)
 {
-        int     id;
+        int id;
 
         mutex_lock(&core_lock);
-        id = idr_alloc(&i2c_adapter_idr, adap, adap->nr, adap->nr + 1,
-                       GFP_KERNEL);
+        id = idr_alloc(&i2c_adapter_idr, adap, adap->nr, adap->nr + 1, GFP_KERNEL);
         mutex_unlock(&core_lock);
-        if (id < 0)
+        if (WARN(id < 0, "couldn't get idr"))
                 return id == -ENOSPC ? -EBUSY : id;
 
         return i2c_register_adapter(adap);
@@ -1727,7 +1726,7 @@ int i2c_add_adapter(struct i2c_adapter *adapter)
         id = idr_alloc(&i2c_adapter_idr, adapter,
                        __i2c_first_dynamic_bus_num, 0, GFP_KERNEL);
         mutex_unlock(&core_lock);
-        if (id < 0)
+        if (WARN(id < 0, "couldn't get idr"))
                 return id;
 
         adapter->nr = id;