d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add missing MNT_ILOCK around some mnt_kern_flag accesses.

Browse Source
This commit is contained in:
Mohan Srinivasan 2007-02-11 04:01:10 +00:00
parent 0b098709b0
commit 024465d002
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=166636
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/nfsclient/nfs_socket.c
View File

@ -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)