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Ignore zero-length memory ranges.

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gord 2001-08-02 20:05:54 +00:00
parent cd403b1f05
commit 9e195f47c2
2 changed files with 6 additions and 1 deletions
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ChangeLog
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@ -1,3 +1,8 @@
2001-08-02 Gordon Matzigkeit <gord@fig.org>
* stage2/common.c (init_bios_info): Ignore zero-length memory
ranges. From Derrik Pates.
2001-07-26 Jochen Hoenicke <jochen@gnu.org> 2001-07-26 Jochen Hoenicke <jochen@gnu.org>
* stage2/Makefile.am (libgrub_a_CFLAGS): Enable USE_MD5_PASSWORDS * stage2/Makefile.am (libgrub_a_CFLAGS): Enable USE_MD5_PASSWORDS

2
stage2/common.c
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@ -226,7 +226,7 @@ init_bios_info (void)
{ {
struct AddrRangeDesc *desc = (struct AddrRangeDesc *) addr; struct AddrRangeDesc *desc = (struct AddrRangeDesc *) addr;
if (desc->Type == MB_ARD_MEMORY if (desc->Type == MB_ARD_MEMORY && desc->Length > 0
&& desc->BaseAddr + desc->Length > max_addr) && desc->BaseAddr + desc->Length > max_addr)
max_addr = desc->BaseAddr + desc->Length; max_addr = desc->BaseAddr + desc->Length;
} }