[PATCH] uml ubd driver: reformat ubd_config

Pure whitespace and style fixes split out from subsequent patch.  Some changes
(err -> ret) don't make sense now, only later, but I split them out anyway
since they cluttered the patch.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 20 insertions, 11 deletions

diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 460d669b4774..eed95dc356e0 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -706,27 +706,36 @@ out:
 
 static int ubd_config(char *str)
 {
-        int n, err;
+        int n, ret;
 
         str = kstrdup(str, GFP_KERNEL);
-        if(str == NULL){
+        if (str == NULL) {
                 printk(KERN_ERR "ubd_config failed to strdup string\n");
-                return(1);
+                ret = 1;
+                goto out;
         }
-        err = ubd_setup_common(str, &n);
-        if(err){
-                kfree(str);
-                return(-1);
+        ret = ubd_setup_common(str, &n);
+        if (ret) {
+                ret = -1;
+                goto err_free;
+        }
+        if (n == -1) {
+                ret = 0;
+                goto out;
         }
-        if(n == -1) return(0);
 
         mutex_lock(&ubd_lock);
-        err = ubd_add(n);
-        if(err)
+        ret = ubd_add(n);
+        if (ret)
                 ubd_devs[n].file = NULL;
         mutex_unlock(&ubd_lock);
 
-        return(err);
+out:
+        return ret;
+
+err_free:
+        kfree(str);
+        goto out;
 }
 
 static int ubd_get_config(char *name, char *str, int size, char **error_out)