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Fixed improperly initialized nfsnode in pfs_lookup()

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pk 1993-08-25 09:28:39 +00:00
parent 2d7ff4564c
commit 1e37ac6db4
2 changed files with 10 additions and 8 deletions
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4
sys/miscfs/procfs/pfsnode.h
View File

@ -27,7 +27,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: pfsnode.h,v 1.3 1993/08/24 16:47:23 pk Exp $
* $Id: pfsnode.h,v 1.4 1993/08/25 09:28:39 pk Exp $
*/
/*
@ -38,7 +38,7 @@ struct pfsnode {
struct pfsnode *pfs_next; /* next on list */
struct vnode *pfs_vnode; /* vnode associated with this pfsnode */
pid_t pfs_pid;
int flags;
int pfs_flags;
long pfs_spare[4];
};

14
sys/miscfs/procfs/procfs_vnops.c
View File

@ -27,7 +27,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: procfs_vnops.c,v 1.3 1993/08/24 16:47:26 pk Exp $
* $Id: procfs_vnops.c,v 1.4 1993/08/25 09:28:47 pk Exp $
*/
/*
@ -115,13 +115,13 @@ pfs_open(vp, mode, cred, p)
if ((pfsp->pfs_pid?pfind(pfsp->pfs_pid):&proc0) == NULL)
return ESRCH;
if ( (pfsp->flags & FWRITE) && (mode & O_EXCL) ||
(pfsp->flags & O_EXCL) && (mode & FWRITE) )
if ( (pfsp->pfs_flags & FWRITE) && (mode & O_EXCL) ||
(pfsp->pfs_flags & O_EXCL) && (mode & FWRITE) )
return EBUSY;
if (mode & FWRITE)
pfsp->flags = (mode & (FWRITE|O_EXCL));
pfsp->pfs_flags = (mode & (FWRITE|O_EXCL));
return 0;
}
@ -142,8 +142,8 @@ pfs_close(vp, flag, cred, p)
if (pfs_debug)
printf("pfs_close: vp 0x%x proc %d\n", vp, p->p_pid);
#endif
if ((flag & FWRITE) && (pfsp->flags & O_EXCL))
pfsp->flags &= ~(FWRITE|O_EXCL);
if ((flag & FWRITE) && (pfsp->pfs_flags & O_EXCL))
pfsp->pfs_flags &= ~(FWRITE|O_EXCL);
return (0);
}
@ -519,6 +519,8 @@ pfs_lookup(vp, ndp, p)
pfsp = VTOPFS(nvp);
pfsp->pfs_pid = pid;
pfsp->pfs_vnode = nvp;
pfsp->pfs_flags = 0;
pfsp->pfs_next = NULL;
for (pp = &pfshead; *pp; pp = &(*pp)->pfs_next);
*pp = pfsp;