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Diffstat (limited to 'arch/x86/platform/efi/efi-bgrt.c')
-rw-r--r--arch/x86/platform/efi/efi-bgrt.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/x86/platform/efi/efi-bgrt.c b/arch/x86/platform/efi/efi-bgrt.c
index 7145ec63c520..f15103dff4b4 100644
--- a/arch/x86/platform/efi/efi-bgrt.c
+++ b/arch/x86/platform/efi/efi-bgrt.c
@@ -42,14 +42,15 @@ void __init efi_bgrt_init(void)
42 42
43 if (bgrt_tab->header.length < sizeof(*bgrt_tab)) 43 if (bgrt_tab->header.length < sizeof(*bgrt_tab))
44 return; 44 return;
45 if (bgrt_tab->version != 1) 45 if (bgrt_tab->version != 1 || bgrt_tab->status != 1)
46 return; 46 return;
47 if (bgrt_tab->image_type != 0 || !bgrt_tab->image_address) 47 if (bgrt_tab->image_type != 0 || !bgrt_tab->image_address)
48 return; 48 return;
49 49
50 image = efi_lookup_mapped_addr(bgrt_tab->image_address); 50 image = efi_lookup_mapped_addr(bgrt_tab->image_address);
51 if (!image) { 51 if (!image) {
52 image = ioremap(bgrt_tab->image_address, sizeof(bmp_header)); 52 image = early_memremap(bgrt_tab->image_address,
53 sizeof(bmp_header));
53 ioremapped = true; 54 ioremapped = true;
54 if (!image) 55 if (!image)
55 return; 56 return;
@@ -57,7 +58,7 @@ void __init efi_bgrt_init(void)
57 58
58 memcpy_fromio(&bmp_header, image, sizeof(bmp_header)); 59 memcpy_fromio(&bmp_header, image, sizeof(bmp_header));
59 if (ioremapped) 60 if (ioremapped)
60 iounmap(image); 61 early_iounmap(image, sizeof(bmp_header));
61 bgrt_image_size = bmp_header.size; 62 bgrt_image_size = bmp_header.size;
62 63
63 bgrt_image = kmalloc(bgrt_image_size, GFP_KERNEL); 64 bgrt_image = kmalloc(bgrt_image_size, GFP_KERNEL);
@@ -65,7 +66,8 @@ void __init efi_bgrt_init(void)
65 return; 66 return;
66 67
67 if (ioremapped) { 68 if (ioremapped) {
68 image = ioremap(bgrt_tab->image_address, bmp_header.size); 69 image = early_memremap(bgrt_tab->image_address,
70 bmp_header.size);
69 if (!image) { 71 if (!image) {
70 kfree(bgrt_image); 72 kfree(bgrt_image);
71 bgrt_image = NULL; 73 bgrt_image = NULL;
@@ -75,5 +77,5 @@ void __init efi_bgrt_init(void)
75 77
76 memcpy_fromio(bgrt_image, image, bgrt_image_size); 78 memcpy_fromio(bgrt_image, image, bgrt_image_size);
77 if (ioremapped) 79 if (ioremapped)
78 iounmap(image); 80 early_iounmap(image, bmp_header.size);
79} 81}