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| author | jhb <jhb@FreeBSD.org> | 2000-12-15 19:41:27 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2000-12-15 19:41:27 +0000 |
| commit | 81c40ecc9ceba6e061fd35e0d08c8c37d3121aee (patch) | |
| tree | 7e104248a7cb66a32e98b1b0efcd4193e1b3433e /sys/compat/linux/linux_util.c | |
| parent | e761ef905bfe40800a70e05c7023a3a4acaa364b (diff) | |
| download | FreeBSD-src-81c40ecc9ceba6e061fd35e0d08c8c37d3121aee.zip FreeBSD-src-81c40ecc9ceba6e061fd35e0d08c8c37d3121aee.tar.gz | |
Lock access to proc members.
Glanced over by: marcel
Diffstat (limited to 'sys/compat/linux/linux_util.c')
| -rw-r--r-- | sys/compat/linux/linux_util.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/sys/compat/linux/linux_util.c b/sys/compat/linux/linux_util.c index 6399805..f4fe8d7 100644 --- a/sys/compat/linux/linux_util.c +++ b/sys/compat/linux/linux_util.c @@ -62,6 +62,7 @@ linux_emul_find(p, sgp, prefix, path, pbuf, cflag) struct nameidata ndroot; struct vattr vat; struct vattr vatroot; + struct ucred *uc; int error; char *ptr, *buf, *cp; size_t sz, len; @@ -140,12 +141,18 @@ linux_emul_find(p, sgp, prefix, path, pbuf, cflag) return error; } - if ((error = VOP_GETATTR(nd.ni_vp, &vat, p->p_ucred, p)) != 0) { + PROC_LOCK(p); + uc = p->p_ucred; + crhold(uc); + PROC_UNLOCK(p); + if ((error = VOP_GETATTR(nd.ni_vp, &vat, uc, p)) != 0) { + crfree(uc); goto bad; } - if ((error = VOP_GETATTR(ndroot.ni_vp, &vatroot, p->p_ucred, p)) - != 0) { + error = VOP_GETATTR(ndroot.ni_vp, &vatroot, uc, p); + crfree(uc); + if (error != 0) { goto bad; } |
