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vfs: plug a conditional assigment of lo_name in getnewvnode

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It only matters for witness. No functional changes.
This commit is contained in:
Mateusz Guzik 2020-01-19 05:36:45 +00:00
parent a8614f0eec
commit 512fa9a4e0
1 changed files with 4 additions and 0 deletions
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4
sys/kern/vfs_subr.c
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@ -1669,11 +1669,15 @@ getnewvnode(const char *tag, struct mount *mp, struct vop_vector *vops,
* that we can compare pointers rather than doing a strcmp().
*/
lo = &vp->v_vnlock->lock_object;
#ifdef WITNESS
if (lo->lo_name != tag) {
#endif
lo->lo_name = tag;
#ifdef WITNESS
WITNESS_DESTROY(lo);
WITNESS_INIT(lo, tag);
}
#endif
/*
* By default, don't allow shared locks unless filesystems opt-in.
*/