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| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-01-22 15:40:57 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-01-22 18:04:28 -0500 |
| commit | 5955102c9984fa081b2d570cfac75c97eecf8f3b (patch) | |
| tree | a4744386eac4b916e847eb4eedfada158f6527b4 /security | |
| parent | 57b8f112cfe6622ddddb8c2641206bb5fa8a112d (diff) | |
| download | linux-5955102c9984fa081b2d570cfac75c97eecf8f3b.tar.bz2 | |
wrappers for ->i_mutex access
parallel to mutex_{lock,unlock,trylock,is_locked,lock_nested},
inode_foo(inode) being mutex_foo(&inode->i_mutex).
Please, use those for access to ->i_mutex; over the coming cycle
->i_mutex will become rwsem, with ->lookup() done with it held
only shared.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'security')
| -rw-r--r-- | security/inode.c | 10 | ||||
| -rw-r--r-- | security/integrity/ima/ima_main.c | 8 | ||||
| -rw-r--r-- | security/selinux/selinuxfs.c | 4 |
3 files changed, 11 insertions, 11 deletions
diff --git a/security/inode.c b/security/inode.c index 16622aef9bde..28414b0207ce 100644 --- a/security/inode.c +++ b/security/inode.c @@ -99,7 +99,7 @@ struct dentry *securityfs_create_file(const char *name, umode_t mode, dir = d_inode(parent); - mutex_lock(&dir->i_mutex); + inode_lock(dir); dentry = lookup_one_len(name, parent, strlen(name)); if (IS_ERR(dentry)) goto out; @@ -129,14 +129,14 @@ struct dentry *securityfs_create_file(const char *name, umode_t mode, } d_instantiate(dentry, inode); dget(dentry); - mutex_unlock(&dir->i_mutex); + inode_unlock(dir); return dentry; out1: dput(dentry); dentry = ERR_PTR(error); out: - mutex_unlock(&dir->i_mutex); + inode_unlock(dir); simple_release_fs(&mount, &mount_count); return dentry; } @@ -195,7 +195,7 @@ void securityfs_remove(struct dentry *dentry) if (!parent || d_really_is_negative(parent)) return; - mutex_lock(&d_inode(parent)->i_mutex); + inode_lock(d_inode(parent)); if (simple_positive(dentry)) { if (d_is_dir(dentry)) simple_rmdir(d_inode(parent), dentry); @@ -203,7 +203,7 @@ void securityfs_remove(struct dentry *dentry) simple_unlink(d_inode(parent), dentry); dput(dentry); } - mutex_unlock(&d_inode(parent)->i_mutex); + inode_unlock(d_inode(parent)); simple_release_fs(&mount, &mount_count); } EXPORT_SYMBOL_GPL(securityfs_remove); diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c index c21f09bf8b99..9d96551d0196 100644 --- a/security/integrity/ima/ima_main.c +++ b/security/integrity/ima/ima_main.c @@ -121,7 +121,7 @@ static void ima_check_last_writer(struct integrity_iint_cache *iint, if (!(mode & FMODE_WRITE)) return; - mutex_lock(&inode->i_mutex); + inode_lock(inode); if (atomic_read(&inode->i_writecount) == 1) { if ((iint->version != inode->i_version) || (iint->flags & IMA_NEW_FILE)) { @@ -130,7 +130,7 @@ static void ima_check_last_writer(struct integrity_iint_cache *iint, ima_update_xattr(iint, file); } } - mutex_unlock(&inode->i_mutex); + inode_unlock(inode); } /** @@ -186,7 +186,7 @@ static int process_measurement(struct file *file, int mask, int function, if (action & IMA_FILE_APPRAISE) function = FILE_CHECK; - mutex_lock(&inode->i_mutex); + inode_lock(inode); if (action) { iint = integrity_inode_get(inode); @@ -250,7 +250,7 @@ out_free: if (pathbuf) __putname(pathbuf); out: - mutex_unlock(&inode->i_mutex); + inode_unlock(inode); if ((rc && must_appraise) && (ima_appraise & IMA_APPRAISE_ENFORCE)) return -EACCES; return 0; diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c index 732c1c77dccd..1b1fd27de632 100644 --- a/security/selinux/selinuxfs.c +++ b/security/selinux/selinuxfs.c @@ -380,9 +380,9 @@ static int sel_open_policy(struct inode *inode, struct file *filp) goto err; if (i_size_read(inode) != security_policydb_len()) { - mutex_lock(&inode->i_mutex); + inode_lock(inode); i_size_write(inode, security_policydb_len()); - mutex_unlock(&inode->i_mutex); + inode_unlock(inode); } rc = security_read_policy(&plm->data, &plm->len); |