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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 /fs/ubifs/file.c
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>
Diffstat (limited to 'fs/ubifs/file.c')
-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