RDMA/siw: Remove goto lable in siw_mmap

Let's remove it since the failure case only falls through
to the useless label.
Acked-by: Bernard Metzler <bmt@zurich.ibm.com>
Signed-off-by: Guoqing Jiang <guoqing.jiang@linux.dev>
Link: https://lore.kernel.org/r/20231113115726.12762-5-guoqing.jiang@linux.devSigned-off-by: Leon Romanovsky <leon@kernel.org>

drivers/infiniband/sw/siw/siw_verbs.c

@@ -66,12 +66,9 @@ int siw_mmap(struct ib_ucontext *ctx, struct vm_area_struct *vma)
 	entry = to_siw_mmap_entry(rdma_entry);
 
 	rv = remap_vmalloc_range(vma, entry->address, 0);
-	if (rv) {
+	if (rv)
 		pr_warn("remap_vmalloc_range failed: %lu, %zu\n", vma->vm_pgoff,
 			size);
-		goto out;
-	}
-out:
 	rdma_user_mmap_entry_put(rdma_entry);
 
 	return rv;