diff options
| author | jhb <jhb@FreeBSD.org> | 2002-03-20 21:00:50 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2002-03-20 21:00:50 +0000 |
| commit | 64bf9fe9fa4ffdff0c7bb06726e70267970c7f02 (patch) | |
| tree | aa00539e2d2adbed6472b867adf8f87751da83ae /sys/kern/kern_prot.c | |
| parent | 2572d3960be01f02cdc813ba51e757060b7dc49e (diff) | |
| download | FreeBSD-src-64bf9fe9fa4ffdff0c7bb06726e70267970c7f02.zip FreeBSD-src-64bf9fe9fa4ffdff0c7bb06726e70267970c7f02.tar.gz | |
- Push down Giant into crfree() in the case that we actually free a ucred.
- Add a cred_free_thread() function (conditional on DIAGNOSTICS) that drops
a per-thread ucred reference to be used in debugging code when leaving
the kernel.
Diffstat (limited to 'sys/kern/kern_prot.c')
| -rw-r--r-- | sys/kern/kern_prot.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/kern/kern_prot.c b/sys/kern/kern_prot.c index 90f5196..a259919 100644 --- a/sys/kern/kern_prot.c +++ b/sys/kern/kern_prot.c @@ -1699,6 +1699,7 @@ crfree(cr) * allocate a uidinfo structure. */ mtx_unlock(mtxp); + mtx_lock(&Giant); if (cr->cr_uidinfo != NULL) uifree(cr->cr_uidinfo); if (cr->cr_ruidinfo != NULL) @@ -1709,6 +1710,7 @@ crfree(cr) if (jailed(cr)) prison_free(cr->cr_prison); FREE((caddr_t)cr, M_CRED); + mtx_unlock(&Giant); } else { mtx_unlock(mtxp); } @@ -1761,6 +1763,19 @@ crdup(cr) return (newcr); } +#ifdef DIAGNOSTIC +void +cred_free_thread(struct thread *td) +{ + struct ucred *cred; + + cred = td->td_ucred; + td->td_ucred = NULL; + if (cred != NULL) + crfree(cred); +} +#endif + /* * Fill in a struct xucred based on a struct ucred. */ |
