diff options
Diffstat (limited to 'security/integrity/ima/ima_iint.c')
| -rw-r--r-- | security/integrity/ima/ima_iint.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/security/integrity/ima/ima_iint.c b/security/integrity/ima/ima_iint.c index 969a1c1cb333..c442e47b6785 100644 --- a/security/integrity/ima/ima_iint.c +++ b/security/integrity/ima/ima_iint.c @@ -59,6 +59,9 @@ struct ima_iint_cache *ima_iint_find(struct inode *inode) { struct ima_iint_cache *iint; + if (!IS_IMA(inode)) + return NULL; + spin_lock(&ima_iint_lock); iint = __ima_iint_find(inode); spin_unlock(&ima_iint_lock); @@ -91,6 +94,7 @@ int ima_inode_alloc(struct inode *inode) new_iint->inode = inode; new_node = &new_iint->rb_node; + mutex_lock(&inode->i_mutex); /* i_flags */ spin_lock(&ima_iint_lock); p = &ima_iint_tree.rb_node; @@ -107,14 +111,17 @@ int ima_inode_alloc(struct inode *inode) goto out_err; } + inode->i_flags |= S_IMA; rb_link_node(new_node, parent, p); rb_insert_color(new_node, &ima_iint_tree); spin_unlock(&ima_iint_lock); + mutex_unlock(&inode->i_mutex); /* i_flags */ return 0; out_err: spin_unlock(&ima_iint_lock); + mutex_unlock(&inode->i_mutex); /* i_flags */ iint_free(new_iint); return rc; @@ -135,15 +142,14 @@ void ima_inode_free(struct inode *inode) inode->i_readcount = 0; + if (!IS_IMA(inode)) + return; + spin_lock(&ima_iint_lock); iint = __ima_iint_find(inode); - if (iint) - rb_erase(&iint->rb_node, &ima_iint_tree); + rb_erase(&iint->rb_node, &ima_iint_tree); spin_unlock(&ima_iint_lock); - if (!iint) - return; - iint_free(iint); } |