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libceph: old_key in process_one_ticket() is redundant 

Since commit 0a990e7093 ("ceph: clean up service ticket decoding"),
th->session_key isn't assigned until everything is decoded.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Sage Weil <sage@redhat.com>
This commit is contained in:
Ilya Dryomov 2016-12-02 16:35:06 +01:00
parent 36721ece1e
commit 462e650451
1 changed files with 1 additions and 3 deletions
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4
net/ceph/auth_x.c
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@ -148,7 +148,6 @@ static int process_one_ticket(struct ceph_auth_client *ac,
int dlen;
char is_enc;
struct timespec validity;
struct ceph_crypto_key old_key;
void *ticket_buf = NULL;
void *tp, *tpend;
void **ptp;
@ -187,7 +186,6 @@ static int process_one_ticket(struct ceph_auth_client *ac,
if (tkt_struct_v != 1)
goto bad;
memcpy(&old_key, &th->session_key, sizeof(old_key));
ret = ceph_crypto_key_decode(&new_session_key, &dp, dend);
if (ret)
goto out;
@ -204,7 +202,7 @@ static int process_one_ticket(struct ceph_auth_client *ac,
if (is_enc) {
/* encrypted */
dout(" encrypted ticket\n");
dlen = ceph_x_decrypt(&old_key, p, end, &ticket_buf, 0);
dlen = ceph_x_decrypt(&th->session_key, p, end, &ticket_buf, 0);
if (dlen < 0) {
ret = dlen;
goto out;