1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/cxgb3/mc5.c b/drivers/net/cxgb3/mc5.c
index 644d62ea86a6..84c1ffa8e2d3 100644
--- a/drivers/net/cxgb3/mc5.c
+++ b/drivers/net/cxgb3/mc5.c
@@ -328,6 +328,9 @@ int t3_mc5_init(struct mc5 *mc5, unsigned int nservers, unsigned int nfilters,
         unsigned int tcam_size = mc5->tcam_size;
         struct adapter *adap = mc5->adapter;
 
+        if (!tcam_size)
+                return 0;
+
         if (nroutes > MAX_ROUTES || nroutes + nservers + nfilters > tcam_size)
                 return -EINVAL;