fat: Fix and cleanup timestamp conversion

[linux-2.6-omap-h63xx.git] / net / netfilter / nf_conntrack_irc.c

diff --git a/net/netfilter/nf_conntrack_irc.c b/net/netfilter/nf_conntrack_irc.c
index 1b1226d6653f7815970483cdba636c5f22a3934e..20633fdf7e6bb48b48e485b9ba0d110ab1f8459b 100644 (file)
--- a/net/netfilter/nf_conntrack_irc.c
+++ b/net/netfilter/nf_conntrack_irc.c
@@ -68,11 +68,21 @@ static const char *const dccprotos[] = {
 static int parse_dcc(char *data, const char *data_end, u_int32_t *ip,
                     u_int16_t *port, char **ad_beg_p, char **ad_end_p)
 {
+       char *tmp;
+
        /* at least 12: "AAAAAAAA P\1\n" */
        while (*data++ != ' ')
                if (data > data_end - 12)
                        return -1;
 
+       /* Make sure we have a newline character within the packet boundaries
+        * because simple_strtoul parses until the first invalid character. */
+       for (tmp = data; tmp <= data_end; tmp++)
+               if (*tmp == '\n')
+                       break;
+       if (tmp > data_end || *tmp != '\n')
+               return -1;
+
        *ad_beg_p = data;
        *ip = simple_strtoul(data, &data, 10);