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Get the vfs giant lock before calling nfs_access.

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Reviewed by:	mohan
This commit is contained in:
mpp 2007-02-13 03:27:45 +00:00
parent 919f31fdd0
commit f66eda706d
1 changed files with 9 additions and 3 deletions
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12
sys/nfsserver/nfs_serv.c
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@ -435,9 +435,15 @@ nfsrv_setattr(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
if (vp->v_type == VDIR) {
error = EISDIR;
goto out;
} else if ((error = nfsrv_access(vp, VWRITE, cred, rdonly,
td, 0)) != 0)
goto out;
} else {
vfslocked = VFS_LOCK_GIANT(vp->v_mount);
if ((error = nfsrv_access(vp, VWRITE, cred, rdonly,
td, 0)) != 0) {
VFS_UNLOCK_GIANT(vfslocked);
goto out;
}
VFS_UNLOCK_GIANT(vfslocked);
}
}
vfslocked = VFS_LOCK_GIANT(vp->v_mount);
error = VOP_SETATTR(vp, vap, cred, td);