X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=arch%2Fx86%2Fkernel%2Fsetup.c;h=80f874bf999e3cfbb62eae13b8cf0d1b4a2c3c18;hb=b1be9ead135939136b87d73004891a6bac35bb43;hp=d3b95b89e9b2974401b48b534bf71604d7db57cc;hpb=23908db413eccd77084b09c9b0a4451dfb0524c0;p=uclinux-h8%2Flinux.git

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index d3b95b89e9b2..80f874bf999e 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -461,19 +461,18 @@ static void __init e820_reserve_setup_data(void)
 {
 	struct setup_data *data;
 	u64 pa_data;
-	int found = 0;
 
 	pa_data = boot_params.hdr.setup_data;
+	if (!pa_data)
+		return;
+
 	while (pa_data) {
 		data = early_memremap(pa_data, sizeof(*data));
 		e820_update_range(pa_data, sizeof(*data)+data->len,
 			 E820_RAM, E820_RESERVED_KERN);
-		found = 1;
 		pa_data = data->next;
 		early_memunmap(data, sizeof(*data));
 	}
-	if (!found)
-		return;
 
 	sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
 	memcpy(&e820_saved, &e820, sizeof(struct e820map));