diff options
| author | Maksym Planeta <mcsim.planeta@gmail.com> | 2012-04-08 08:57:47 +0300 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-04-08 22:20:34 +0200 |
| commit | 3b85cd3aacae63f2372ed713e263843824821881 (patch) | |
| tree | 3a4f02a038ed00165b1c23828585276bd329d234 | |
| parent | 764430b760549865ab45215990b926594e993e87 (diff) | |
Fix bugs in truncation of memory map.
* mach-defpager/default_pager.c (pager_truncate): Use new_size instead of
old_size in memcpy.
| -rw-r--r-- | mach-defpager/default_pager.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mach-defpager/default_pager.c b/mach-defpager/default_pager.c index cd0f6e30..3fcf9c7d 100644 --- a/mach-defpager/default_pager.c +++ b/mach-defpager/default_pager.c @@ -1113,7 +1113,7 @@ pager_truncate(dpager_t pager, vm_size_t new_size) /* in pages */ { const dp_map_t old_mapptr = pager->map; pager->map = (dp_map_t) kalloc (INDIRECT_PAGEMAP_SIZE(new_size)); - memcpy (pager->map, old_mapptr, INDIRECT_PAGEMAP_SIZE(old_size)); + memcpy (pager->map, old_mapptr, INDIRECT_PAGEMAP_SIZE(new_size)); kfree ((char *) old_mapptr, INDIRECT_PAGEMAP_SIZE (old_size)); } } @@ -1139,7 +1139,7 @@ pager_truncate(dpager_t pager, vm_size_t new_size) /* in pages */ { const dp_map_t old_mapptr = pager->map; pager->map = (dp_map_t) kalloc (PAGEMAP_SIZE (new_size)); - memcpy (pager->map, old_mapptr, PAGEMAP_SIZE (old_size)); + memcpy (pager->map, old_mapptr, PAGEMAP_SIZE (new_size)); kfree ((char *) old_mapptr, PAGEMAP_SIZE (old_size)); } } |