diff options
| author | Alexey Dobriyan <adobriyan@gmail.com> | 2017-09-21 23:47:09 +0300 |
|---|---|---|
| committer | Steffen Klassert <steffen.klassert@secunet.com> | 2017-09-25 07:14:06 +0200 |
| commit | 1bd963a72e859d194d87a5a2a8839efee7e23102 (patch) | |
| tree | ee5b1c33339db67950d7f8bcf34d0ae466aa02e2 | |
| parent | 06cd22f830f28023b82455c82c7db65fc6cf9c16 (diff) | |
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>
| -rw-r--r-- | include/net/xfrm.h | 2 | ||||
| -rw-r--r-- | net/xfrm/xfrm_user.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 2abc0e117f11..5d5e11b653eb 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1774,7 +1774,7 @@ static inline unsigned int xfrm_alg_len(const struct xfrm_algo *alg) 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); } diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 09512d90e6a5..465c23d4ea78 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -68,7 +68,7 @@ static int verify_auth_trunc(struct nlattr **attrs) return 0; algp = nla_data(rt); - if (nla_len(rt) < xfrm_alg_auth_len(algp)) + if (nla_len(rt) < (int)xfrm_alg_auth_len(algp)) return -EINVAL; algp->alg_name[sizeof(algp->alg_name) - 1] = '\0'; |