radv/winsys: fix buffer deletion in the sysmem path

In case we failed to submit the CS correctly.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

src/amd/vulkan/winsys/amdgpu/radv_amdgpu_cs.c

@@ -1094,10 +1094,11 @@ static int radv_amdgpu_winsys_cs_submit_sysmem(struct radeon_winsys_ctx *_ctx,
 
 		for (unsigned j = 0; j < number_of_ibs; j++) {
 			ws->buffer_destroy(bos[j]);
-			if (r)
-				return r;
 		}
 
+		if (r)
+			return r;
+
 		i += cnt;
 	}
 	if (fence)