[PATCH] really limit size of efidisk transfer to 0x500

[PATCH] really limit size of efidisk transfer to 0x500

[Andrey Borzenkov]

Rev 4859 failed to actually limit transfer size.

Signed-off-by: Andrey Borzenkov <arvidjaar@gmail.com>

---
 ChangeLog                    | 4 ++++
 grub-core/disk/efi/efidisk.c | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 6f33ff1..77a0819 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-04-16  Andrey Borzenkov <arvidjaar@gmail.com>
+
+	* grub-core/disk/efi/efidisk.c: Really limit transfer chunk size.
+
 2013-04-15  Vladimir Serbinenko  <phcoder@gmail.com>
 2013-04-15  Peter Jones <pjones@redhat.com>
 
diff --git a/grub-core/disk/efi/efidisk.c b/grub-core/disk/efi/efidisk.c
index 5a6fc63..0e08d3b 100644
--- a/grub-core/disk/efi/efidisk.c
+++ b/grub-core/disk/efi/efidisk.c
@@ -549,7 +549,7 @@ grub_efidisk_readwrite (struct grub_disk *disk, grub_disk_addr_t sector,
       status = efi_call_5 ((wr ? bio->write_blocks : bio->read_blocks), bio,
 			   bio->media->media_id,
 			   (grub_efi_uint64_t) sector,
-			   (grub_efi_uintn_t) size << disk->log_sector_size,
+			   (grub_efi_uintn_t) len << disk->log_sector_size,
 			   buf);
       size -= len;
       buf += len << disk->log_sector_size;
-- 
tg: (1f1bfdf..) u/efi-disk-0x500 (depends on: master)