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Diffstat (limited to 'kernel/tor2.c')
-rw-r--r--kernel/tor2.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/tor2.c b/kernel/tor2.c
index e426ad2..6a03a41 100644
--- a/kernel/tor2.c
+++ b/kernel/tor2.c
@@ -203,6 +203,11 @@ static int tor2_spanconfig(struct zt_span *span, struct zt_lineconfig *lc)
if (debug)
printk("Tor2: Configuring span %d\n", span->spanno);
+ if ((lc->sync < 0) || (lc->sync >= SPANS_PER_CARD)) {
+ printk(KERN_WARNING "%s %d: invalid span timing value %d.\n",
+ THIS_MODULE->name, span->spanno, lc->sync);
+ return -EINVAL;
+ }
span->syncsrc = p->tor->syncsrc;
/* remove this span number from the current sync sources, if there */