summaryrefslogtreecommitdiffstats
path: root/fs
diff options
context:
space:
mode:
authorYan, Zheng <zyan@redhat.com>2019-05-20 09:50:09 +0800
committerIlya Dryomov <idryomov@gmail.com>2019-06-05 20:34:39 +0200
commit7b2f936fc8282ab56d4d21247f2f9c21607c085c (patch)
treebc9dba2c3671d20c1753ffae4065922cc5f53bda /fs
parent3e1d0452edceebb903d23db53201013c940bf000 (diff)
downloadlinux-stable-7b2f936fc8282ab56d4d21247f2f9c21607c085c.tar.gz
linux-stable-7b2f936fc8282ab56d4d21247f2f9c21607c085c.tar.bz2
linux-stable-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')
-rw-r--r--fs/ceph/caps.c22
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;
}