[PATCH] net sched: text ematch: zero out ts_state before using it

From: Omar Sandoval
Date: Thu Oct 09 2014 - 12:06:01 EST


textsearch_find zeroes out the offset, but the control buffer (which may or may
not matter in this case) needs to be zeroed out as well.

Signed-off-by: Omar Sandoval <osandov@xxxxxxxxxxx>
---
net/sched/em_text.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/net/sched/em_text.c b/net/sched/em_text.c
index 15d353d..2a1b6d9 100644
--- a/net/sched/em_text.c
+++ b/net/sched/em_text.c
@@ -36,6 +36,8 @@ static int em_text_match(struct sk_buff *skb, struct tcf_ematch *m,
int from, to;
struct ts_state state;

+ memset(&state, 0, sizeof(state));
+
from = tcf_get_base_ptr(skb, tm->from_layer) - skb->data;
from += tm->from_offset;

--
2.1.2

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