Lncvrt/grub
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Avoid using Reed-Solomon with 0 redundancy.

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* grub-core/kern/i386/pc/startup.S: Remove 0-data check.
	* grub-core/lib/reed_solomon.c (decode_block): Do not proceed on 0 data
	or 0 redundancy.
	(grub_reed_solomon_add_redundancy): Do not proceed with 0 redundancy.
	(grub_reed_solomon_recover): Likewise.
This commit is contained in:
Vladimir 'phcoder' Serbinenko committed 2010-12-27 07:09:43 +01:00
1 parent 25dd47804d
commit c76386454e
3 files changed
+24 -4
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grub-core/kern/i386/pc/startup.S
-2
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@@ -151,8 +151,6 @@ LOCAL (codestart):
addl $(GRUB_KERNEL_MACHINE_RAW_SIZE - GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_PART), %edx
movl reed_solomon_redundancy, %ecx
leal _start + GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_PART, %eax
testl %edx, %edx
jz post_reed_solomon
call EXT_C (grub_reed_solomon_recover)
jmp post_reed_solomon