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devfs: tidy up after 272596

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This moves a var to an if statement, no functional changes.

MFC after:	1 week
This commit is contained in:
Mateusz Guzik 2014-10-06 07:22:48 +00:00
parent 9ee8d90af5
commit 3a222fe000
1 changed files with 3 additions and 3 deletions
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6
sys/fs/devfs/devfs_vnops.c
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@ -545,8 +545,8 @@ devfs_close(struct vop_close_args *ap)
* if the reference count is 2 (this last descriptor
* plus the session), release the reference from the session.
*/
oldvp = NULL;
if (td && vp == td->td_proc->p_session->s_ttyvp) {
oldvp = NULL;
sx_xlock(&proctree_lock);
if (vp == td->td_proc->p_session->s_ttyvp) {
SESS_LOCK(td->td_proc->p_session);
@ -561,9 +561,9 @@ devfs_close(struct vop_close_args *ap)
SESS_UNLOCK(td->td_proc->p_session);
}
sx_xunlock(&proctree_lock);
if (oldvp != NULL)
vrele(oldvp);
}
if (oldvp != NULL)
vrele(oldvp);
/*
* We do not want to really close the device if it
* is still in use unless we are trying to close it