Message ID | 20230628233813.6564-5-stephen@networkplumber.org (mailing list archive) |
---|---|
State | Accepted |
Commit | ac6d95a8465e7d41762fa493ec271ac4584aa0af |
Delegated to: | David Ahern |
Headers | show |
Series | Warning fixes | expand |
Context | Check | Description |
---|---|---|
netdev/tree_selection | success | Not a local patch |
Stephen Hemminger <stephen@networkplumber.org> writes: > Previously since proto was __u8 an invalid proto would > be allowed. Gcc warns about never true conditional > since __u8 can never be negative. > > Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Reviewed-by: Petr Machata <me@pmachata.org>
diff --git a/tc/m_ct.c b/tc/m_ct.c index 3e2491b3d192..8c471489778a 100644 --- a/tc/m_ct.c +++ b/tc/m_ct.c @@ -161,7 +161,8 @@ static int ct_parse_mark(char *str, struct nlmsghdr *n) static int ct_parse_helper(char *str, struct nlmsghdr *n) { char f[32], p[32], name[32]; - __u8 family, proto; + __u8 family; + int proto; if (strlen(str) >= 32 || sscanf(str, "%[^-]-%[^-]-%[^-]", f, p, name) != 3) @@ -172,6 +173,7 @@ static int ct_parse_helper(char *str, struct nlmsghdr *n) family = AF_INET6; else return -1; + proto = inet_proto_a2n(p); if (proto < 0) return -1;
Previously since proto was __u8 an invalid proto would be allowed. Gcc warns about never true conditional since __u8 can never be negative. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> --- tc/m_ct.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)