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Fix for data access from "split" compressed kdump dumpfiles. Without

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the patch, if a dumpfile read targets physical memory in the first
memory page stored in the second or later sequential split dumpfile,
incorrect data will be returned.
(qiaonuohan@cn.fujitsu.com)
This commit is contained in:
Dave Anderson 2014-10-29 11:35:17 -04:00
parent 8095fe408b
commit 3edf484e29
1 changed files with 1 additions and 1 deletions
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2
diskdump.c
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@ -1095,7 +1095,7 @@ read_diskdump(int fd, void *bufptr, int cnt, ulong addr, physaddr_t paddr)
for (i=0; i<num_dumpfiles; i++) {
start_pfn = dd_list[i]->sub_header_kdump->start_pfn_64;
end_pfn = dd_list[i]->sub_header_kdump->end_pfn_64;
if ((pfn >= start_pfn) && (pfn <= end_pfn)) {
if ((pfn >= start_pfn) && (pfn < end_pfn)) {
dd = dd_list[i];
break;
}