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net/rxrpc trivial annotations

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Al Viro 2008-03-29 03:08:38 +00:00 committed by Linus Torvalds
parent 74dbf719ed
commit 91e916cffe
2 changed files with 16 additions and 13 deletions
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2
net/rxrpc/ar-internal.h
View file

@ -23,7 +23,7 @@
struct rxrpc_crypt {
union {
u8 x[FCRYPT_BSIZE];
u32 n[2];
__be32 n[2];
};
} __attribute__((aligned(8)));

27
net/rxrpc/rxkad.c
View file

@ -261,6 +261,7 @@ static int rxkad_secure_packet(const struct rxrpc_call *call,
__be32 x[2];
} tmpbuf __attribute__((aligned(8))); /* must all be in same page */
__be32 x;
u32 y;
int ret;
sp = rxrpc_skb(skb);
@ -292,11 +293,11 @@ static int rxkad_secure_packet(const struct rxrpc_call *call,
sg_init_one(&sg[1], &tmpbuf, sizeof(tmpbuf));
crypto_blkcipher_encrypt_iv(&desc, &sg[0], &sg[1], sizeof(tmpbuf));
x = ntohl(tmpbuf.x[1]);
x = (x >> 16) & 0xffff;
if (x == 0)
x = 1; /* zero checksums are not permitted */
sp->hdr.cksum = htons(x);
y = ntohl(tmpbuf.x[1]);
y = (y >> 16) & 0xffff;
if (y == 0)
y = 1; /* zero checksums are not permitted */
sp->hdr.cksum = htons(y);
switch (call->conn->security_level) {
case RXRPC_SECURITY_PLAIN:
@ -314,7 +315,7 @@ static int rxkad_secure_packet(const struct rxrpc_call *call,
break;
}
_leave(" = %d [set %hx]", ret, x);
_leave(" = %d [set %hx]", ret, y);
return ret;
}
@ -492,6 +493,7 @@ static int rxkad_verify_packet(const struct rxrpc_call *call,
__be32 x[2];
} tmpbuf __attribute__((aligned(8))); /* must all be in same page */
__be32 x;
u16 y;
__be16 cksum;
int ret;
@ -526,12 +528,12 @@ static int rxkad_verify_packet(const struct rxrpc_call *call,
sg_init_one(&sg[1], &tmpbuf, sizeof(tmpbuf));
crypto_blkcipher_encrypt_iv(&desc, &sg[0], &sg[1], sizeof(tmpbuf));
x = ntohl(tmpbuf.x[1]);
x = (x >> 16) & 0xffff;
if (x == 0)
x = 1; /* zero checksums are not permitted */
y = ntohl(tmpbuf.x[1]);
y = (y >> 16) & 0xffff;
if (y == 0)
y = 1; /* zero checksums are not permitted */
cksum = htons(x);
cksum = htons(y);
if (sp->hdr.cksum != cksum) {
*_abort_code = RXKADSEALEDINCON;
_leave(" = -EPROTO [csum failed]");
@ -1001,7 +1003,8 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
struct rxrpc_crypt session_key;
time_t expiry;
void *ticket;
u32 abort_code, version, kvno, ticket_len, csum, level;
u32 abort_code, version, kvno, ticket_len, level;
__be32 csum;
int ret;
_enter("{%d,%x}", conn->debug_id, key_serial(conn->server_key));