From 12eadc190038e68b5884a4aa313b6ab89ba60f5e Mon Sep 17 00:00:00 2001 From: Sage Weil Date: Mon, 15 Mar 2010 22:20:39 -0700 Subject: [PATCH] ceph: fix null pointer deref of r_osd in debug output This causes an oops when debug output is enabled and we kick an osd request with no current r_osd (sometime after an osd failure). Check the pointer before dereferencing. Signed-off-by: Sage Weil --- fs/ceph/osd_client.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c index dbe63db9762f..221038253e61 100644 --- a/fs/ceph/osd_client.c +++ b/fs/ceph/osd_client.c @@ -913,7 +913,7 @@ static int __kick_requests(struct ceph_osd_client *osdc, kick: dout("kicking %p tid %llu osd%d\n", req, req->r_tid, - req->r_osd->o_osd); + req->r_osd ? req->r_osd->o_osd : -1); req->r_flags |= CEPH_OSD_FLAG_RETRY; err = __send_request(osdc, req); if (err) {