[PATCH] pvrusb2: correctly handling failed thread run

[Insu Yun]

Since kthread_run returns -ENOMEM if failed,
it needs to be checked whether it is error, not whether it is null.

Signed-off-by: Insu Yun <wuni...@gmail.com>
---
 drivers/media/usb/pvrusb2/pvrusb2-context.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/usb/pvrusb2/pvrusb2-context.c 
b/drivers/media/usb/pvrusb2/pvrusb2-context.c
index fd888a6..aabdc58 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-context.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-context.c
@@ -196,7 +196,7 @@ int pvr2_context_global_init(void)
        pvr2_context_thread_ptr = kthread_run(pvr2_context_thread_func,
                                              NULL,
                                              "pvrusb2-context");
-       return (pvr2_context_thread_ptr ? 0 : -ENOMEM);
+       return IS_ERR(pvr2_context_thread_ptr) ? -ENOMEM : 0;
 }
 
 
-- 
1.9.1