[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>

diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 460d669b47740e64e0ed59950a145248919fbf30..eed95dc356e02579e2add440185696123e3f8cdb 100644 (file)
--- 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)