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NFSD: Fix nfsd_breaker_owns_lease() return values

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[ Upstream commit 50719bf3442dd6cd05159e9c98d020b3919ce978 ]

These have been incorrect since the function was introduced.

A proper kerneldoc comment is added since this function, though
static, is part of an external interface.

Reported-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chuck Lever 2022-02-14 15:30:13 -05:00 committed by Greg Kroah-Hartman
parent 498b7088db
commit d91d1e681c
1 changed files with 10 additions and 2 deletions
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12
fs/nfsd/nfs4state.c
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@ -4607,6 +4607,14 @@ nfsd_break_deleg_cb(struct file_lock *fl)
return ret;
}
/**
* nfsd_breaker_owns_lease - Check if lease conflict was resolved
* @fl: Lock state to check
*
* Return values:
* %true: Lease conflict was resolved
* %false: Lease conflict was not resolved.
*/
static bool nfsd_breaker_owns_lease(struct file_lock *fl)
{
struct nfs4_delegation *dl = fl->fl_owner;
@ -4614,11 +4622,11 @@ static bool nfsd_breaker_owns_lease(struct file_lock *fl)
struct nfs4_client *clp;
if (!i_am_nfsd())
return NULL;
return false;
rqst = kthread_data(current);
/* Note rq_prog == NFS_ACL_PROGRAM is also possible: */
if (rqst->rq_prog != NFS_PROGRAM || rqst->rq_vers < 4)
return NULL;
return false;
clp = *(rqst->rq_lease_breaker);
return dl->dl_stid.sc_client == clp;
}