The function return 0 even when interrupted or try_get_cap_refs() return error. Introduce by commit 1199d7da2d "ceph: simplify arguments and return semantics of try_get_cap_refs" Signed-off-by: "Yan, Zheng" <zyan@xxxxxxxxxx> --- fs/ceph/caps.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 72f8e1311392..079d0df9650c 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -2738,15 +2738,13 @@ int ceph_get_caps(struct ceph_inode_info *ci, int need, int want, _got = 0; ret = try_get_cap_refs(ci, need, want, endoff, false, &_got); - if (ret == -EAGAIN) { + if (ret == -EAGAIN) continue; - } else if (!ret) { - int err; - + if (!ret) { DEFINE_WAIT_FUNC(wait, woken_wake_function); add_wait_queue(&ci->i_cap_wq, &wait); - while (!(err = try_get_cap_refs(ci, need, want, endoff, + while (!(ret = try_get_cap_refs(ci, need, want, endoff, true, &_got))) { if (signal_pending(current)) { ret = -ERESTARTSYS; @@ -2756,14 +2754,16 @@ int ceph_get_caps(struct ceph_inode_info *ci, int need, int want, } remove_wait_queue(&ci->i_cap_wq, &wait); - if (err == -EAGAIN) + if (ret == -EAGAIN) continue; } - if (ret == -ESTALE) { - /* session was killed, try renew caps */ - ret = ceph_renew_caps(&ci->vfs_inode); - if (ret == 0) - continue; + if (ret < 0) { + if (ret == -ESTALE) { + /* session was killed, try renew caps */ + ret = ceph_renew_caps(&ci->vfs_inode); + if (ret == 0) + continue; + } return ret; } -- 2.17.2