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authorArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2014-05-27 12:24:39 (GMT)
committerArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2014-05-28 08:10:09 (GMT)
commitba6a7d55634b9ddf119216faef55f2463b17d60b (patch)
tree38168863021d503094ec8f5d7527527e11bfed76
parenta0fd59511e0a0514d24044a29da0f6144f8600e5 (diff)
downloadlinux-ba6a7d55634b9ddf119216faef55f2463b17d60b.tar.xz
UBIFS: fix debugging check
The debugging check which verifies that we never write outside of the file length was incorrect, since it was multiplying file length by the page size, instead of dividing. Fix this. Spotted-by: hujianyang <hujianyang@huawei.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
-rw-r--r--fs/ubifs/file.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 727506b..0ab7f7d 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -905,7 +905,7 @@ static int do_writepage(struct page *page, int len)
#ifdef UBIFS_DEBUG
struct ubifs_inode *ui = ubifs_inode(inode);
spin_lock(&ui->ui_lock);
- ubifs_assert(page->index <= ui->synced_i_size << PAGE_CACHE_SIZE);
+ ubifs_assert(page->index <= ui->synced_i_size >> PAGE_CACHE_SHIFT);
spin_unlock(&ui->ui_lock);
#endif