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Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/drivers/ubd_kern.c31
1 files changed, 20 insertions, 11 deletions
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 460d669b477..eed95dc356e 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)