A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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fix page release issue in filemap_fault

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find_lock_page increases page's usage count, we should decrease it
before return VM_FAULT_SIGBUS

Signed-off-by: Yan Zheng<[email protected]>
Cc: Nick Piggin <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Yan Zheng 2007-10-08 10:08:37 -07:00 • committed by Linus Torvalds
commit 745ad48e8c
1 changed files with 1 additions and 0 deletions
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mm/filemap.c
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@ -1388,6 +1388,7 @@ retry_find:
size = (i_size_read(inode) + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
if (unlikely(vmf->pgoff >= size)) {
unlock_page(page);
page_cache_release(page);
goto outside_data_content;
}