Messages in this thread Patch in this message | | | Subject | Re: [PATCH] X.25: Fix address field length calculation | From | Joe Perches <> | Date | Tue, 15 Oct 2013 10:29:50 -0700 |
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On Tue, 2013-10-15 at 14:29 +0000, Kelleter, Günther wrote: > Addresses are BCD encoded, not ASCII. x25_addr_ntoa got it right. [] > Wrong length calculation leads to rejection of CALL ACCEPT packets. [] > diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c [] > @@ -98,7 +98,7 @@ int x25_parse_address_block(struct sk_buff *skb, > } > len = *skb->data; > - needed = 1 + (len >> 4) + (len & 0x0f); > + needed = 1 + ((len >> 4) + (len & 0x0f) + 1) / 2;
This calculation looks odd. Perhaps use bcd.h instead?
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