diff options
Diffstat (limited to 'fs/crypto/hooks.c')
| -rw-r--r-- | fs/crypto/hooks.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/crypto/hooks.c b/fs/crypto/hooks.c index c582e2ddb39c..c809a4afa057 100644 --- a/fs/crypto/hooks.c +++ b/fs/crypto/hooks.c @@ -129,6 +129,7 @@ int fscrypt_prepare_setflags(struct inode *inode, unsigned int oldflags, unsigned int flags) { struct fscrypt_info *ci; + struct key *key; struct fscrypt_master_key *mk; int err; @@ -144,13 +145,14 @@ int fscrypt_prepare_setflags(struct inode *inode, ci = inode->i_crypt_info; if (ci->ci_policy.version != FSCRYPT_POLICY_V2) return -EINVAL; - mk = ci->ci_master_key->payload.data[0]; - down_read(&mk->mk_secret_sem); + key = ci->ci_master_key; + mk = key->payload.data[0]; + down_read(&key->sem); if (is_master_key_secret_present(&mk->mk_secret)) err = fscrypt_derive_dirhash_key(ci, mk); else err = -ENOKEY; - up_read(&mk->mk_secret_sem); + up_read(&key->sem); return err; } return 0; |