diff options
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/tmem.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/xen/tmem.c b/drivers/xen/tmem.c index 8adde8e8428..e3600be4e7f 100644 --- a/drivers/xen/tmem.c +++ b/drivers/xen/tmem.c @@ -397,8 +397,11 @@ static int xen_tmem_init(void) frontswap_register_ops(&tmem_frontswap_ops); tmem_frontswap_poolid = -1; - if (old_ops) + if (IS_ERR(old_ops) || old_ops) { + if (IS_ERR(old_ops)) + return PTR_ERR(old_ops); s = " (WARNING: frontswap_ops overridden)"; + } printk(KERN_INFO "frontswap enabled, RAM provided by " "Xen Transcendent Memory%s\n", s); } |