diff options
| author | mohans <mohans@FreeBSD.org> | 2007-02-11 04:01:10 +0000 |
|---|---|---|
| committer | mohans <mohans@FreeBSD.org> | 2007-02-11 04:01:10 +0000 |
| commit | 6d93e146370ae32115c6cdf753c9f36a0c8068f4 (patch) | |
| tree | 0dc71542b58d764f73dcbff7fe5dadd703259d37 | |
| parent | e43343208a46298418acd1048b929ddbb06c8256 (diff) | |
| download | FreeBSD-src-6d93e146370ae32115c6cdf753c9f36a0c8068f4.zip FreeBSD-src-6d93e146370ae32115c6cdf753c9f36a0c8068f4.tar.gz | |
Add missing MNT_ILOCK around some mnt_kern_flag accesses.
| -rw-r--r-- | sys/nfsclient/nfs_socket.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/nfsclient/nfs_socket.c b/sys/nfsclient/nfs_socket.c index 6036050..4422f06 100644 --- a/sys/nfsclient/nfs_socket.c +++ b/sys/nfsclient/nfs_socket.c @@ -1091,10 +1091,13 @@ nfs_request(struct vnode *vp, struct mbuf *mrest, int procnum, u_int32_t *xidp; /* Reject requests while attempting a forced unmount. */ + MNT_ILOCK(vp->v_mount); if (vp->v_mount->mnt_kern_flag & MNTK_UNMOUNTF) { + MNT_IUNLOCK(vp->v_mount); m_freem(mrest); return (ESTALE); } + MNT_IUNLOCK(vp->v_mount); nmp = VFSTONFS(vp->v_mount); if ((nmp->nm_flag & NFSMNT_NFSV4) != 0) return nfs4_request(vp, mrest, procnum, td, cred, mrp, mdp, dposp); @@ -1703,10 +1706,13 @@ nfs_sigintr(struct nfsmount *nmp, struct nfsreq *rep, struct thread *td) mtx_unlock(&rep->r_mtx); } /* Terminate all requests while attempting a forced unmount. */ + MNT_ILOCK(nmp->nm_mountp); if (nmp->nm_mountp->mnt_kern_flag & MNTK_UNMOUNTF) { + MNT_IUNLOCK(nmp->nm_mountp); error = EIO; goto out; } + MNT_IUNLOCK(nmp->nm_mountp); if (!(nmp->nm_flag & NFSMNT_INT)) goto out; if (td == NULL) |
