[PATCH] cifsd: use kfree to free memory allocated by kmalloc or kzalloc

From: Muhammad Usama Anjum
Date: Thu Apr 01 2021 - 05:09:56 EST


kfree should be used to free memory allocated by kmalloc or kzalloc to
avoid any overhead and for maintaining consistency.

Fixes: 5dfeb6d945 ("cifsd: use kmalloc() for small allocations")
Signed-off-by: Muhammad Usama Anjum <musamaanjum@xxxxxxxxx>
---
fs/cifsd/buffer_pool.c | 4 ++--
fs/cifsd/mgmt/share_config.c | 2 +-
fs/cifsd/mgmt/user_config.c | 8 ++++----
fs/cifsd/mgmt/user_session.c | 6 +++---
fs/cifsd/smb2pdu.c | 4 ++--
fs/cifsd/vfs_cache.c | 2 +-
6 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/fs/cifsd/buffer_pool.c b/fs/cifsd/buffer_pool.c
index ad2a2c885a2c..a9ef3e703232 100644
--- a/fs/cifsd/buffer_pool.c
+++ b/fs/cifsd/buffer_pool.c
@@ -78,7 +78,7 @@ static int register_wm_size_class(size_t sz)
list_for_each_entry(l, &wm_lists, list) {
if (l->sz == sz) {
write_unlock(&wm_lists_lock);
- kvfree(nl);
+ kfree(nl);
return 0;
}
}
@@ -181,7 +181,7 @@ static void wm_list_free(struct wm_list *l)
list_del(&wm->list);
kvfree(wm);
}
- kvfree(l);
+ kfree(l);
}

static void wm_lists_destroy(void)
diff --git a/fs/cifsd/mgmt/share_config.c b/fs/cifsd/mgmt/share_config.c
index db780febd692..e3d459c4dbb2 100644
--- a/fs/cifsd/mgmt/share_config.c
+++ b/fs/cifsd/mgmt/share_config.c
@@ -102,7 +102,7 @@ static int parse_veto_list(struct ksmbd_share_config *share,

p->pattern = kstrdup(veto_list, GFP_KERNEL);
if (!p->pattern) {
- ksmbd_free(p);
+ kfree(p);
return -ENOMEM;
}

diff --git a/fs/cifsd/mgmt/user_config.c b/fs/cifsd/mgmt/user_config.c
index f0c2f8994a6b..c31e2c4d2d6f 100644
--- a/fs/cifsd/mgmt/user_config.c
+++ b/fs/cifsd/mgmt/user_config.c
@@ -46,8 +46,8 @@ struct ksmbd_user *ksmbd_alloc_user(struct ksmbd_login_response *resp)

if (!user->name || !user->passkey) {
kfree(user->name);
- ksmbd_free(user->passkey);
- ksmbd_free(user);
+ kfree(user->passkey);
+ kfree(user);
user = NULL;
}
return user;
@@ -57,8 +57,8 @@ void ksmbd_free_user(struct ksmbd_user *user)
{
ksmbd_ipc_logout_request(user->name);
kfree(user->name);
- ksmbd_free(user->passkey);
- ksmbd_free(user);
+ kfree(user->passkey);
+ kfree(user);
}

int ksmbd_anonymous_user(struct ksmbd_user *user)
diff --git a/fs/cifsd/mgmt/user_session.c b/fs/cifsd/mgmt/user_session.c
index 5a2113bf18ef..fa2140d4755a 100644
--- a/fs/cifsd/mgmt/user_session.c
+++ b/fs/cifsd/mgmt/user_session.c
@@ -53,7 +53,7 @@ static void __session_rpc_close(struct ksmbd_session *sess,

ksmbd_free(resp);
ksmbd_rpc_id_free(entry->id);
- ksmbd_free(entry);
+ kfree(entry);
}

static void ksmbd_session_rpc_clear_list(struct ksmbd_session *sess)
@@ -119,7 +119,7 @@ int ksmbd_session_rpc_open(struct ksmbd_session *sess, char *rpc_name)
return entry->id;
error:
list_del(&entry->list);
- ksmbd_free(entry);
+ kfree(entry);
return -EINVAL;
}

@@ -174,7 +174,7 @@ void ksmbd_session_destroy(struct ksmbd_session *sess)
ksmbd_release_id(session_ida, sess->id);

ksmbd_ida_free(sess->tree_conn_ida);
- ksmbd_free(sess);
+ kfree(sess);
}

static struct ksmbd_session *__session_lookup(unsigned long long id)
diff --git a/fs/cifsd/smb2pdu.c b/fs/cifsd/smb2pdu.c
index 139041768f65..a4bcf6a85f02 100644
--- a/fs/cifsd/smb2pdu.c
+++ b/fs/cifsd/smb2pdu.c
@@ -1611,7 +1611,7 @@ int smb2_sess_setup(struct ksmbd_work *work)

ksmbd_conn_set_good(work);
sess->state = SMB2_SESSION_VALID;
- ksmbd_free(sess->Preauth_HashValue);
+ kfree(sess->Preauth_HashValue);
sess->Preauth_HashValue = NULL;
} else if (conn->preferred_auth_mech == KSMBD_AUTH_NTLMSSP) {
rc = generate_preauth_hash(work);
@@ -1637,7 +1637,7 @@ int smb2_sess_setup(struct ksmbd_work *work)

ksmbd_conn_set_good(work);
sess->state = SMB2_SESSION_VALID;
- ksmbd_free(sess->Preauth_HashValue);
+ kfree(sess->Preauth_HashValue);
sess->Preauth_HashValue = NULL;
}
} else {
diff --git a/fs/cifsd/vfs_cache.c b/fs/cifsd/vfs_cache.c
index ec631dc6f1fb..f2a863542dc7 100644
--- a/fs/cifsd/vfs_cache.c
+++ b/fs/cifsd/vfs_cache.c
@@ -829,6 +829,6 @@ void ksmbd_destroy_file_table(struct ksmbd_file_table *ft)

__close_file_table_ids(ft, NULL, session_fd_check);
idr_destroy(ft->idr);
- ksmbd_free(ft->idr);
+ kfree(ft->idr);
ft->idr = NULL;
}
--
2.25.1