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authorrik <rik@FreeBSD.org>2008-06-30 21:18:27 +0000
committerrik <rik@FreeBSD.org>2008-06-30 21:18:27 +0000
commitb49a85befd88be2728fef2765dde3ad4793511cc (patch)
treefc0d5f8df2864c985a23cc83800e237fc998a308 /sys/dev/ce/if_ce.c
parent8805d22e343f9c4b23897204b50dcd29aed7ca3f (diff)
downloadFreeBSD-src-b49a85befd88be2728fef2765dde3ad4793511cc.zip
FreeBSD-src-b49a85befd88be2728fef2765dde3ad4793511cc.tar.gz
Do not set IFF_DEBUG directly from the driver.
MFC after: 1 month.
Diffstat (limited to 'sys/dev/ce/if_ce.c')
-rw-r--r--sys/dev/ce/if_ce.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/sys/dev/ce/if_ce.c b/sys/dev/ce/if_ce.c
index 8f93667..396d670 100644
--- a/sys/dev/ce/if_ce.c
+++ b/sys/dev/ce/if_ce.c
@@ -962,8 +962,8 @@ static int ce_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data)
if (! (ifp->if_flags & IFF_DEBUG))
d->chan->debug = 0;
- else if (! d->chan->debug)
- d->chan->debug = 1;
+ else
+ d->chan->debug = d->chan->debug_shadow;
switch (cmd) {
default: CE_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0;
@@ -1621,12 +1621,17 @@ static int ce_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struc
#endif
if (error)
return error;
- d->chan->debug = *(int*)data;
#ifndef NETGRAPH
- if (d->chan->debug)
- d->ifp->if_flags |= IFF_DEBUG;
- else
- d->ifp->if_flags &= ~IFF_DEBUG;
+ /*
+ * The debug_shadow is always greater than zero for logic
+ * simplicity. For switching debug off the IFF_DEBUG is
+ * responsible.
+ */
+ d->chan->debug_shadow = (*(int*)data) ? (*(int*)data) : 1;
+ if (d->ifp->if_flags & IFF_DEBUG)
+ d->chan->debug = d->chan->debug_shadow;
+#else
+ d->chan->debug = *(int*)data;
#endif
return 0;
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