| commit | cadfbb6ec2e55171479191046142c927a8b12d87 | [log] [tgz] |
|---|---|---|
| author | Al Viro <viro@ZenIV.linux.org.uk> | Tue Nov 10 19:42:49 2015 -0700 |
| committer | Jens Axboe <axboe@fb.com> | Wed Nov 11 09:36:57 2015 -0700 |
| tree | 3e1c3b1b4419eef0805da29da93d7448db404d94 | |
| parent | ccc2600b8a28f3eb0c126cd00312baba1c22cccb [diff] [blame] |
dax_io(): don't let non-error value escape via retval instead of EFAULT Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Reported-by: Sasha Levin <sasha.levin@oracle.com> Cc: stable@vger.kernel.org # 4.0+ Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/fs/dax.c b/fs/dax.c index a86d3cc..7b653e9 100644 --- a/fs/dax.c +++ b/fs/dax.c
@@ -169,8 +169,10 @@ else len = iov_iter_zero(max - pos, iter); - if (!len) + if (!len) { + retval = -EFAULT; break; + } pos += len; addr += len;