From e251e288082d5e89604eee1fef0c31bed1fe8f02 Mon Sep 17 00:00:00 2001 From: Sage Weil Date: Wed, 7 Oct 2009 16:38:19 -0700 Subject: [PATCH] ceph: fix mdsmap decoding when multiple mds's are present A misplaced sizeof() around namelen was throwing things off. Signed-off-by: Sage Weil --- fs/ceph/mdsmap.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/fs/ceph/mdsmap.c b/fs/ceph/mdsmap.c index 15913cbeb289..09180d8fafe4 100644 --- a/fs/ceph/mdsmap.c +++ b/fs/ceph/mdsmap.c @@ -85,28 +85,28 @@ struct ceph_mdsmap *ceph_mdsmap_decode(void **p, void *end) void *pexport_targets = NULL; ceph_decode_need(p, end, sizeof(addr) + 1 + sizeof(u32), bad); - *p += sizeof(addr); /* skip addr key */ + ceph_decode_copy(p, &addr, sizeof(addr)); ceph_decode_8(p, infoversion); ceph_decode_32(p, namelen); /* skip mds name */ *p += namelen; ceph_decode_need(p, end, - 5*sizeof(u32) + sizeof(u64) + + 4*sizeof(u32) + sizeof(u64) + sizeof(addr) + sizeof(struct ceph_timespec), bad); ceph_decode_32(p, mds); ceph_decode_32(p, inc); ceph_decode_32(p, state); ceph_decode_64(p, state_seq); - ceph_decode_copy(p, &addr, sizeof(addr)); + *p += sizeof(addr); *p += sizeof(struct ceph_timespec); *p += sizeof(u32); ceph_decode_32_safe(p, end, namelen, bad); - *p += sizeof(namelen); + *p += namelen; if (infoversion >= 2) { ceph_decode_32_safe(p, end, num_export_targets, bad); pexport_targets = *p; - *p += sizeof(num_export_targets * sizeof(u32)); + *p += num_export_targets * sizeof(u32); } else { num_export_targets = 0; } -- 2.30.2