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([2405:201:6803:30b3:6c2e:a6d:389a:e911]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-710e5874ef7sm2759636b3a.38.2024.08.11.13.55.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 11 Aug 2024 13:55:17 -0700 (PDT) From: Abhinav Jain To: idryomov@gmail.com, xiubli@redhat.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, ceph-devel@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: skhan@linuxfoundation.org, javier.carrasco.cruz@gmail.com, Abhinav Jain Subject: [PATCH net v2] libceph: Make the arguments const as per the TODO Date: Mon, 12 Aug 2024 02:25:09 +0530 Message-Id: <20240811205509.1089027-1-jain.abhinav177@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: ceph-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 net/ceph/crypto.c: Modify arguments to const in ceph_crypto_key_decode(). Modify ceph_key_preparse() and ceph_crypto_key_unarmor() in accordance with the changes. net/ceph/crypto.h: Add changes in the prototype of ceph_crypto_key_decode(). net/ceph/auth_x.c: Modify the arguments to function ceph_crypto_key_decode() being called in the function process_one_ticket(). v1: lore.kernel.org/all/20240811193645.1082042-1-jain.abhinav177@gmail.com Changes since v1: - Incorrect changes made in v1 fixed. - Found the other files where the change needed to be made. Signed-off-by: Abhinav Jain --- net/ceph/auth_x.c | 4 +++- net/ceph/crypto.c | 15 ++++++++------- net/ceph/crypto.h | 2 +- 3 files changed, 12 insertions(+), 9 deletions(-) diff --git a/net/ceph/auth_x.c b/net/ceph/auth_x.c index b71b1635916e..81272603f981 100644 --- a/net/ceph/auth_x.c +++ b/net/ceph/auth_x.c @@ -204,7 +204,9 @@ static int process_one_ticket(struct ceph_auth_client *ac, if (tkt_struct_v != 1) goto bad; - ret = ceph_crypto_key_decode(&new_session_key, &dp, dend); + ret = ceph_crypto_key_decode(&new_session_key, \ + (const void **)&dp, (const void *)dend); + if (ret) goto out; diff --git a/net/ceph/crypto.c b/net/ceph/crypto.c index 051d22c0e4ad..905b80d738b1 100644 --- a/net/ceph/crypto.c +++ b/net/ceph/crypto.c @@ -86,7 +86,7 @@ int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end) return 0; } -int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end) +int ceph_crypto_key_decode(struct ceph_crypto_key *key, const void **p, const void *end) { int ret; @@ -109,7 +109,8 @@ int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *inkey) { int inlen = strlen(inkey); int blen = inlen * 3 / 4; - void *buf, *p; + void *buf; + const void *p; int ret; dout("crypto_key_unarmor %s\n", inkey); @@ -123,7 +124,7 @@ int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *inkey) } p = buf; - ret = ceph_crypto_key_decode(key, &p, p + blen); + ret = ceph_crypto_key_decode(key, &p, (const void *)((const char *)p + blen)); kfree(buf); if (ret) return ret; @@ -300,7 +301,7 @@ static int ceph_key_preparse(struct key_preparsed_payload *prep) struct ceph_crypto_key *ckey; size_t datalen = prep->datalen; int ret; - void *p; + const void *p; ret = -EINVAL; if (datalen <= 0 || datalen > 32767 || !prep->data) @@ -311,9 +312,9 @@ static int ceph_key_preparse(struct key_preparsed_payload *prep) if (!ckey) goto err; - /* TODO ceph_crypto_key_decode should really take const input */ - p = (void *)prep->data; - ret = ceph_crypto_key_decode(ckey, &p, (char*)prep->data+datalen); + p = prep->data; + ret = ceph_crypto_key_decode(ckey, &p, \ + (const void *)((const char *)prep->data + datalen)); if (ret < 0) goto err_ckey; diff --git a/net/ceph/crypto.h b/net/ceph/crypto.h index 13bd526349fa..ba57376fa635 100644 --- a/net/ceph/crypto.h +++ b/net/ceph/crypto.h @@ -22,7 +22,7 @@ struct ceph_crypto_key { int ceph_crypto_key_clone(struct ceph_crypto_key *dst, const struct ceph_crypto_key *src); int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end); -int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end); +int ceph_crypto_key_decode(struct ceph_crypto_key *key, const void **p, const void *end); int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in); void ceph_crypto_key_destroy(struct ceph_crypto_key *key);