RDMA/ucma: Cleanup to reduce duplicate code
authorXiaofei Tan <tanxiaofei@huawei.com>
Thu, 6 May 2021 08:51:46 +0000 (16:51 +0800)
committerJason Gunthorpe <jgg@nvidia.com>
Tue, 11 May 2021 16:17:26 +0000 (13:17 -0300)
The lable "err1" does the same thing as the branch of copy_to_user()
failed in the function ucma_create_id(). Just jump to the label directly
to reduce duplicate code.

Link: https://lore.kernel.org/r/1620291106-3675-1-git-send-email-tanxiaofei@huawei.com
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
drivers/infiniband/core/ucma.c

index 15d57ba..1f198c1 100644 (file)
@@ -468,8 +468,8 @@ static ssize_t ucma_create_id(struct ucma_file *file, const char __user *inbuf,
        resp.id = ctx->id;
        if (copy_to_user(u64_to_user_ptr(cmd.response),
                         &resp, sizeof(resp))) {
-               ucma_destroy_private_ctx(ctx);
-               return -EFAULT;
+               ret = -EFAULT;
+               goto err1;
        }
 
        mutex_lock(&file->mut);