diff options
| -rw-r--r-- | arch/um/drivers/ubd_kern.c | 31 |
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) |
