diff options
| author | Michael I. Bushnell <mib@gnu.org> | 1995-03-30 17:32:05 +0000 |
|---|---|---|
| committer | Michael I. Bushnell <mib@gnu.org> | 1995-03-30 17:32:05 +0000 |
| commit | e5355a620c885eac81404a39ae051d912ca54f77 (patch) | |
| tree | f4b429017391bfce3f1e8745eb757c4110d0182b | |
| parent | f71f6b6bee22cd0a53d3a536ed1409d5910a0af2 (diff) | |
(trivfs_S_io_reauthenticate): Lock CRED->po->cntl->lock around
relevant code.
| -rw-r--r-- | libtrivfs/io-reauthenticate.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libtrivfs/io-reauthenticate.c b/libtrivfs/io-reauthenticate.c index 4adffab0..2f934810 100644 --- a/libtrivfs/io-reauthenticate.c +++ b/libtrivfs/io-reauthenticate.c @@ -1,5 +1,5 @@ /* - Copyright (C) 1993, 1994 Free Software Foundation + Copyright (C) 1993, 1994, 1995 Free Software Foundation This file is part of the GNU Hurd. @@ -76,9 +76,13 @@ trivfs_S_io_reauthenticate (struct trivfs_protid *cred, newcred->ngids = gengidlen; newcred->hook = cred->hook; + mutex_lock (&cred->po->cntl->lock); + newcred->po = cred->po; newcred->po->refcnt++; + mutex_unlock (&cred->po->cntl->lock); + err = io_restrict_auth (newcred->po->cntl->underlying, &newcred->realnode, gen_uids, genuidlen, gen_gids, gengidlen); if (err) |