driver core: Convert to kasprintf() for early dev_name().

This is just a simple refactoring patch on top of the early dev_name()
support, converting from kstrdup() to kasprintf() as suggested by Kay.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 8 insertions, 7 deletions

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index d2d4926c5c4c..f2377f3d95e5 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -1245,19 +1245,20 @@ static int __init early_platform_driver_probe_id(char *class_str,
                          * rest of the driver core is initialized.
                          */
                         if (!match->dev.init_name) {
-                                char buf[32];
-
                                 if (match->id != -1)
-                                        snprintf(buf, sizeof(buf), "%s.%d",
-                                                 match->name, match->id);
+                                        match->dev.init_name =
+                                                kasprintf(GFP_KERNEL, "%s.%d",
+                                                          match->name,
+                                                          match->id);
                                 else
-                                        snprintf(buf, sizeof(buf), "%s",
-                                                 match->name);
+                                        match->dev.init_name =
+                                                kasprintf(GFP_KERNEL, "%s",
+                                                          match->name);
 
-                                match->dev.init_name = kstrdup(buf, GFP_KERNEL);
                                 if (!match->dev.init_name)
                                         return -ENOMEM;
                         }
+
                         if (epdrv->pdrv->probe(match))
                                 pr_warning("%s: unable to probe %s early.\n",
                                            class_str, match->name);