From 40e7e2c0e86464bca839cdf891bd58a6d41b60b4 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Tue, 23 Apr 2019 14:18:45 -0400 Subject: ceph: fix NULL pointer deref when debugging is enabled Signed-off-by: Jeff Layton Signed-off-by: Ilya Dryomov --- fs/ceph/file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/ceph/file.c') diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 9f53c3d99304..7ae0f49349e3 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -928,7 +928,7 @@ ceph_direct_read_write(struct kiocb *iocb, struct iov_iter *iter, dout("sync_direct_%s on file %p %lld~%u snapc %p seq %lld\n", (write ? "write" : "read"), file, pos, (unsigned)count, - snapc, snapc->seq); + snapc, snapc ? snapc->seq : 0); ret = filemap_write_and_wait_range(inode->i_mapping, pos, pos + count - 1); -- cgit v1.2.3-59-g8ed1b