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authorAnton Altaparmakov <aia21@cam.ac.uk>2006-06-22 14:47:15 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-22 15:05:55 -0700
commitf893afbe1262e27e91234506f72e17716190dd2f (patch)
tree4352204e9c53e278f7d494d2564f8ae78244feef /fs
parent[PATCH] sparc build breakage (diff)
downloadlinux-dev-f893afbe1262e27e91234506f72e17716190dd2f.tar.xz
linux-dev-f893afbe1262e27e91234506f72e17716190dd2f.zip
[PATCH] NTFS: Critical bug fix (affects MIPS and possibly others)
Many thanks to Pauline Ng for the detailed bug report and analysis! Signed-off-by: Anton Altaparmakov <aia21@cantab.net> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/ntfs/file.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index c63a83e8da98..36e1e136bb0c 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -1484,14 +1484,15 @@ static inline void ntfs_flush_dcache_pages(struct page **pages,
unsigned nr_pages)
{
BUG_ON(!nr_pages);
+ /*
+ * Warning: Do not do the decrement at the same time as the call to
+ * flush_dcache_page() because it is a NULL macro on i386 and hence the
+ * decrement never happens so the loop never terminates.
+ */
do {
- /*
- * Warning: Do not do the decrement at the same time as the
- * call because flush_dcache_page() is a NULL macro on i386
- * and hence the decrement never happens.
- */
+ --nr_pages;
flush_dcache_page(pages[nr_pages]);
- } while (--nr_pages > 0);
+ } while (nr_pages > 0);
}
/**