xfrm: make xfrm_alg_auth_len() return unsigned int
Key lengths can't be negative.
Comparison with nla_len() is left signed just in case negative value
can sneak in there.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 2abc0e1..5d5e11b 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1774,7 +1774,7 @@
return sizeof(*alg) + ((alg->alg_key_len + 7) / 8);
}
-static inline int xfrm_alg_auth_len(const struct xfrm_algo_auth *alg)
+static inline unsigned int xfrm_alg_auth_len(const struct xfrm_algo_auth *alg)
{
return sizeof(*alg) + ((alg->alg_key_len + 7) / 8);
}