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authorJay Freeman (saurik) <saurik@saurik.com>2017-01-30 09:13:46 -0800
committerJay Freeman (saurik) <saurik@saurik.com>2017-01-30 09:13:46 -0800
commit89cb5d4dd729c4b8479eec94b9c4a58e11ab1794 (patch)
tree2ace1b13829847cf65a7deaae6606622627d37f8 /apt-pkg
parentca2b6d6dac848ee6c6fdface7b49a4a58470a654 (diff)
The length given to msync was calculated wrong :/.
Diffstat (limited to 'apt-pkg')
-rw-r--r--apt-pkg/contrib/mmap.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/apt-pkg/contrib/mmap.cc b/apt-pkg/contrib/mmap.cc
index 4c58a096d..cb73fbc5d 100644
--- a/apt-pkg/contrib/mmap.cc
+++ b/apt-pkg/contrib/mmap.cc
@@ -202,7 +202,8 @@ bool MMap::Sync(unsigned long Start,unsigned long Stop)
{
#ifdef _POSIX_SYNCHRONIZED_IO
unsigned long long const PSize = sysconf(_SC_PAGESIZE);
- if (msync((char *)Base+(Start/PSize)*PSize, Stop - Start, MS_SYNC) < 0)
+ Start = (Start/PSize)*PSize;
+ if (msync((char *)Base+Start, Stop - Start, MS_SYNC) < 0)
return _error->Errno("msync", _("Unable to synchronize mmap"));
#endif
}