diff mbox series

[1/5] xfrm: make aead_len() return unsigned int

Message ID 20170921204543.GB13550@avx2
State Awaiting Upstream, archived
Delegated to: David Miller
Headers show
Series [1/5] xfrm: make aead_len() return unsigned int | expand

Commit Message

Alexey Dobriyan Sept. 21, 2017, 8:45 p.m. UTC
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>
---

 include/net/xfrm.h   |    2 +-
 net/xfrm/xfrm_user.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1764,7 +1764,7 @@  static inline int xfrm_acquire_is_on(struct net *net)
 }
 #endif
 
-static inline int aead_len(struct xfrm_algo_aead *alg)
+static inline unsigned int aead_len(struct xfrm_algo_aead *alg)
 {
 	return sizeof(*alg) + ((alg->alg_key_len + 7) / 8);
 }
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -84,7 +84,7 @@  static int verify_aead(struct nlattr **attrs)
 		return 0;
 
 	algp = nla_data(rt);
-	if (nla_len(rt) < aead_len(algp))
+	if (nla_len(rt) < (int)aead_len(algp))
 		return -EINVAL;
 
 	algp->alg_name[sizeof(algp->alg_name) - 1] = '\0';