The error return code of memdup_user() should be -ENOMEM or -EFAULT. So this patch changed it to PTR_ERR(info). Signed-off-by: Geliang Tang <geliangtang@xxxxxxxxx> --- drivers/lightnvm/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 54a06c3..e8b5edd 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -1164,7 +1164,7 @@ static long nvm_ioctl_info(struct file *file, void __user *arg) info = memdup_user(arg, sizeof(struct nvm_ioctl_info)); if (IS_ERR(info)) - return -EFAULT; + return PTR_ERR(info); info->version[0] = NVM_VERSION_MAJOR; info->version[1] = NVM_VERSION_MINOR; -- 2.9.3