ecryptfs: Delete 21 error messages for a failed memory allocation
Omit extra messages for a memory allocation failure in these functions. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
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db86be3a12
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1a0bba4ff0
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@ -1419,8 +1419,6 @@ int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry)
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page_virt = kmem_cache_alloc(ecryptfs_header_cache, GFP_USER);
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if (!page_virt) {
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rc = -ENOMEM;
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printk(KERN_ERR "%s: Unable to allocate page_virt\n",
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__func__);
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goto out;
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}
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rc = ecryptfs_read_lower(page_virt, 0, crypt_stat->extent_size,
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@ -1507,9 +1505,6 @@ ecryptfs_encrypt_filename(struct ecryptfs_filename *filename,
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filename->encrypted_filename =
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kmalloc(filename->encrypted_filename_size, GFP_KERNEL);
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if (!filename->encrypted_filename) {
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printk(KERN_ERR "%s: Out of memory whilst attempting "
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"to kmalloc [%zd] bytes\n", __func__,
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filename->encrypted_filename_size);
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rc = -ENOMEM;
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goto out;
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}
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@ -1658,8 +1653,6 @@ ecryptfs_add_new_key_tfm(struct ecryptfs_key_tfm **key_tfm, char *cipher_name,
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(*key_tfm) = tmp_tfm;
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if (!tmp_tfm) {
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rc = -ENOMEM;
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printk(KERN_ERR "Error attempting to allocate from "
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"ecryptfs_key_tfm_cache\n");
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goto out;
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}
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mutex_init(&tmp_tfm->key_tfm_mutex);
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@ -1934,9 +1927,6 @@ int ecryptfs_encrypt_and_encode_filename(
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filename = kzalloc(sizeof(*filename), GFP_KERNEL);
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if (!filename) {
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printk(KERN_ERR "%s: Out of memory whilst attempting "
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"to kzalloc [%zd] bytes\n", __func__,
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sizeof(*filename));
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rc = -ENOMEM;
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goto out;
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}
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@ -1965,9 +1955,6 @@ int ecryptfs_encrypt_and_encode_filename(
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+ encoded_name_no_prefix_size);
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(*encoded_name) = kmalloc((*encoded_name_size) + 1, GFP_KERNEL);
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if (!(*encoded_name)) {
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printk(KERN_ERR "%s: Out of memory whilst attempting "
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"to kzalloc [%zd] bytes\n", __func__,
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(*encoded_name_size));
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rc = -ENOMEM;
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kfree(filename->encrypted_filename);
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kfree(filename);
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@ -2049,9 +2036,6 @@ int ecryptfs_decode_and_decrypt_filename(char **plaintext_name,
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name, name_size);
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decoded_name = kmalloc(decoded_name_size, GFP_KERNEL);
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if (!decoded_name) {
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printk(KERN_ERR "%s: Out of memory whilst attempting "
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"to kmalloc [%zd] bytes\n", __func__,
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decoded_name_size);
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rc = -ENOMEM;
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goto out;
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}
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@ -334,9 +334,6 @@ static struct dentry *ecryptfs_lookup_interpose(struct dentry *dentry,
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dentry_info = kmem_cache_alloc(ecryptfs_dentry_info_cache, GFP_KERNEL);
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if (!dentry_info) {
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printk(KERN_ERR "%s: Out of memory whilst attempting "
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"to allocate ecryptfs_dentry_info struct\n",
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__func__);
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dput(lower_dentry);
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return ERR_PTR(-ENOMEM);
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}
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@ -639,11 +639,9 @@ ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes,
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int rc = 0;
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s = kzalloc(sizeof(*s), GFP_KERNEL);
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if (!s) {
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printk(KERN_ERR "%s: Out of memory whilst trying to kmalloc "
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"[%zd] bytes of kernel memory\n", __func__, sizeof(*s));
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if (!s)
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return -ENOMEM;
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}
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(*packet_size) = 0;
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rc = ecryptfs_find_auth_tok_for_sig(
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&auth_tok_key,
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@ -714,9 +712,6 @@ ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes,
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s->block_aligned_filename = kzalloc(s->block_aligned_filename_size,
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GFP_KERNEL);
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if (!s->block_aligned_filename) {
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printk(KERN_ERR "%s: Out of kernel memory whilst attempting to "
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"kzalloc [%zd] bytes\n", __func__,
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s->block_aligned_filename_size);
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rc = -ENOMEM;
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goto out_unlock;
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}
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@ -769,10 +764,6 @@ ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes,
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s->hash_desc = kmalloc(sizeof(*s->hash_desc) +
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crypto_shash_descsize(s->hash_tfm), GFP_KERNEL);
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if (!s->hash_desc) {
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printk(KERN_ERR "%s: Out of kernel memory whilst attempting to "
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"kmalloc [%zd] bytes\n", __func__,
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sizeof(*s->hash_desc) +
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crypto_shash_descsize(s->hash_tfm));
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rc = -ENOMEM;
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goto out_release_free_unlock;
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}
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@ -925,11 +916,9 @@ ecryptfs_parse_tag_70_packet(char **filename, size_t *filename_size,
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(*filename_size) = 0;
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(*filename) = NULL;
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s = kzalloc(sizeof(*s), GFP_KERNEL);
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if (!s) {
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printk(KERN_ERR "%s: Out of memory whilst trying to kmalloc "
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"[%zd] bytes of kernel memory\n", __func__, sizeof(*s));
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if (!s)
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return -ENOMEM;
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}
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if (max_packet_size < ECRYPTFS_TAG_70_MIN_METADATA_SIZE) {
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printk(KERN_WARNING "%s: max_packet_size is [%zd]; it must be "
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"at least [%d]\n", __func__, max_packet_size,
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@ -1015,9 +1004,6 @@ ecryptfs_parse_tag_70_packet(char **filename, size_t *filename_size,
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s->decrypted_filename = kmalloc(s->block_aligned_filename_size,
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GFP_KERNEL);
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if (!s->decrypted_filename) {
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printk(KERN_ERR "%s: Out of memory whilst attempting to "
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"kmalloc [%zd] bytes\n", __func__,
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s->block_aligned_filename_size);
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rc = -ENOMEM;
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goto out_unlock;
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}
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@ -1097,9 +1083,6 @@ ecryptfs_parse_tag_70_packet(char **filename, size_t *filename_size,
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}
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(*filename) = kmalloc(((*filename_size) + 1), GFP_KERNEL);
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if (!(*filename)) {
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printk(KERN_ERR "%s: Out of memory whilst attempting to "
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"kmalloc [%zd] bytes\n", __func__,
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((*filename_size) + 1));
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rc = -ENOMEM;
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goto out_free_unlock;
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}
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@ -2525,11 +2508,9 @@ int ecryptfs_add_keysig(struct ecryptfs_crypt_stat *crypt_stat, char *sig)
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struct ecryptfs_key_sig *new_key_sig;
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new_key_sig = kmem_cache_alloc(ecryptfs_key_sig_cache, GFP_KERNEL);
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if (!new_key_sig) {
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printk(KERN_ERR
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"Error allocating from ecryptfs_key_sig_cache\n");
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if (!new_key_sig)
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return -ENOMEM;
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}
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memcpy(new_key_sig->keysig, sig, ECRYPTFS_SIG_SIZE_HEX);
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new_key_sig->keysig[ECRYPTFS_SIG_SIZE_HEX] = '\0';
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/* Caller must hold keysig_list_mutex */
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@ -2551,8 +2532,6 @@ ecryptfs_add_global_auth_tok(struct ecryptfs_mount_crypt_stat *mount_crypt_stat,
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GFP_KERNEL);
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if (!new_auth_tok) {
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rc = -ENOMEM;
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printk(KERN_ERR "Error allocating from "
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"ecryptfs_global_auth_tok_cache\n");
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goto out;
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}
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memcpy(new_auth_tok->sig, sig, ECRYPTFS_SIG_SIZE_HEX);
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@ -147,8 +147,6 @@ ecryptfs_spawn_daemon(struct ecryptfs_daemon **daemon, struct file *file)
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(*daemon) = kzalloc(sizeof(**daemon), GFP_KERNEL);
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if (!(*daemon)) {
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rc = -ENOMEM;
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printk(KERN_ERR "%s: Failed to allocate [%zd] bytes of "
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"GFP_KERNEL memory\n", __func__, sizeof(**daemon));
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goto out;
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}
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(*daemon)->file = file;
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@ -250,8 +248,6 @@ int ecryptfs_process_response(struct ecryptfs_daemon *daemon,
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msg_ctx->msg = kmemdup(msg, msg_size, GFP_KERNEL);
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if (!msg_ctx->msg) {
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rc = -ENOMEM;
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printk(KERN_ERR "%s: Failed to allocate [%zd] bytes of "
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"GFP_KERNEL memory\n", __func__, msg_size);
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goto unlock;
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}
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msg_ctx->state = ECRYPTFS_MSG_CTX_STATE_DONE;
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@ -386,7 +382,6 @@ int __init ecryptfs_init_messaging(void)
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GFP_KERNEL);
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if (!ecryptfs_daemon_hash) {
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rc = -ENOMEM;
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printk(KERN_ERR "%s: Failed to allocate memory\n", __func__);
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mutex_unlock(&ecryptfs_daemon_hash_mux);
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goto out;
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}
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@ -398,7 +393,6 @@ int __init ecryptfs_init_messaging(void)
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GFP_KERNEL);
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if (!ecryptfs_msg_ctx_arr) {
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rc = -ENOMEM;
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printk(KERN_ERR "%s: Failed to allocate memory\n", __func__);
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goto out;
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}
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mutex_init(&ecryptfs_msg_ctx_lists_mux);
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@ -163,12 +163,8 @@ int ecryptfs_send_miscdev(char *data, size_t data_size,
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struct ecryptfs_message *msg;
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msg = kmalloc((sizeof(*msg) + data_size), GFP_KERNEL);
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if (!msg) {
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printk(KERN_ERR "%s: Out of memory whilst attempting "
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"to kmalloc(%zd, GFP_KERNEL)\n", __func__,
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(sizeof(*msg) + data_size));
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if (!msg)
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return -ENOMEM;
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}
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mutex_lock(&msg_ctx->mux);
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msg_ctx->msg = msg;
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@ -431,8 +431,6 @@ static int ecryptfs_write_inode_size_to_xattr(struct inode *ecryptfs_inode)
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}
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xattr_virt = kmem_cache_alloc(ecryptfs_xattr_cache, GFP_KERNEL);
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if (!xattr_virt) {
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printk(KERN_ERR "Out of memory whilst attempting to write "
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"inode size to xattr\n");
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rc = -ENOMEM;
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goto out;
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}
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