filedesc: size for free

[Mathieu -]

hello,

The following patch passes the correct size to free(9) for a filedesc's
klist.

Index: kern_descrip.c
===================================================================
RCS file: /cvs/src/sys/kern/kern_descrip.c,v
retrieving revision 1.125
diff -u -p -r1.125 kern_descrip.c
--- kern_descrip.c      5 Dec 2015 10:11:53 -0000       1.125
+++ kern_descrip.c      17 Dec 2015 15:16:00 -0000
@@ -1093,7 +1093,7 @@ fdfree(struct proc *p)
        if (fdp->fd_rdir)
                vrele(fdp->fd_rdir);
        if (fdp->fd_knlist)
-               free(fdp->fd_knlist, M_TEMP, 0);
+               free(fdp->fd_knlist, M_TEMP, fdp->fd_knlistsize * sizeof(struct 
klist));
        if (fdp->fd_knhash)
                free(fdp->fd_knhash, M_TEMP, 0);
        pool_put(&fdesc_pool, fdp);
Index: kern_event.c
===================================================================
RCS file: /cvs/src/sys/kern/kern_event.c,v
retrieving revision 1.67
diff -u -p -r1.67 kern_event.c
--- kern_event.c        5 Dec 2015 10:11:53 -0000       1.67
+++ kern_event.c        17 Dec 2015 15:16:02 -0000
@@ -1021,7 +1021,8 @@ knote_attach(struct knote *kn, struct fi
                memset(&list[fdp->fd_knlistsize], 0,
                    (size - fdp->fd_knlistsize) * sizeof(struct klist));
                if (fdp->fd_knlist != NULL)
-                       free(fdp->fd_knlist, M_TEMP, 0);
+                       free(fdp->fd_knlist, M_TEMP,
+                                       fdp->fd_knlistsize * sizeof(struct 
klist));
                fdp->fd_knlistsize = size;
                fdp->fd_knlist = list;
        }