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Merge branch 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
[linux-2.6-block.git]
/
lib
/
iov_iter.c
diff --git
a/lib/iov_iter.c
b/lib/iov_iter.c
index ae82d9cea5533647181cea7b6c3d005838bfc0f8..f835964c9485f147699609bf2c2dc1ffecb8833b 100644
(file)
--- a/
lib/iov_iter.c
+++ b/
lib/iov_iter.c
@@
-790,6
+790,8
@@
void iov_iter_revert(struct iov_iter *i, size_t unroll)
{
if (!unroll)
return;
+ if (WARN_ON(unroll > MAX_RW_COUNT))
+ return;
i->count += unroll;
if (unlikely(i->type & ITER_PIPE)) {
struct pipe_inode_info *pipe = i->pipe;