| hooks.c (762f99f4f3cb41a775b5157dd761217beba65873) | hooks.c (d3e94fdc4ef476ca1edd468cc11badf2dbbb3c00) |
|---|---|
| 1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * fs/crypto/hooks.c 4 * 5 * Encryption hooks for higher-level filesystem operations. 6 */ 7 8#include <linux/key.h> --- 214 unchanged lines hidden (view full) --- 223 * targets are prefixed with the ciphertext length, despite this 224 * actually being redundant with i_size. This decreases by 2 bytes the 225 * longest symlink target we can accept. 226 * 227 * We could recover 1 byte by not counting a null terminator, but 228 * counting it (even though it is meaningless for ciphertext) is simpler 229 * for now since filesystems will assume it is there and subtract it. 230 */ | 1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * fs/crypto/hooks.c 4 * 5 * Encryption hooks for higher-level filesystem operations. 6 */ 7 8#include <linux/key.h> --- 214 unchanged lines hidden (view full) --- 223 * targets are prefixed with the ciphertext length, despite this 224 * actually being redundant with i_size. This decreases by 2 bytes the 225 * longest symlink target we can accept. 226 * 227 * We could recover 1 byte by not counting a null terminator, but 228 * counting it (even though it is meaningless for ciphertext) is simpler 229 * for now since filesystems will assume it is there and subtract it. 230 */ |
| 231 if (!fscrypt_fname_encrypted_size(policy, len, 232 max_len - sizeof(struct fscrypt_symlink_data), 233 &disk_link->len)) | 231 if (!__fscrypt_fname_encrypted_size(policy, len, 232 max_len - sizeof(struct fscrypt_symlink_data), 233 &disk_link->len)) |
| 234 return -ENAMETOOLONG; 235 disk_link->len += sizeof(struct fscrypt_symlink_data); 236 237 disk_link->name = NULL; 238 return 0; 239} 240EXPORT_SYMBOL_GPL(fscrypt_prepare_symlink); 241 --- 189 unchanged lines hidden --- | 234 return -ENAMETOOLONG; 235 disk_link->len += sizeof(struct fscrypt_symlink_data); 236 237 disk_link->name = NULL; 238 return 0; 239} 240EXPORT_SYMBOL_GPL(fscrypt_prepare_symlink); 241 --- 189 unchanged lines hidden --- |