diff options
| author | Yan, Zheng <zyan@redhat.com> | 2019-05-20 03:50:09 +0200 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2019-06-05 20:34:39 +0200 |
| commit | 7b2f936fc8282ab56d4d21247f2f9c21607c085c (patch) | |
| tree | bc9dba2c3671d20c1753ffae4065922cc5f53bda /fs/ceph/caps.c | |
| parent | ceph: avoid iput_final() while holding mutex or in dispatch thread (diff) | |
| download | linux-7b2f936fc8282ab56d4d21247f2f9c21607c085c.tar.xz linux-7b2f936fc8282ab56d4d21247f2f9c21607c085c.zip | |
ceph: fix error handling in ceph_get_caps()
The function return 0 even when interrupted or try_get_cap_refs()
return error.
Fixes: 1199d7da2d ("ceph: simplify arguments and return semantics of try_get_cap_refs")
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/caps.c')
| -rw-r--r-- | fs/ceph/caps.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 52a2b90621cd..0176241eaea7 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; } |