[PATCH v7 10/16] evm: call evm_inode_init_security from security_inode_init_security

Mimi Zohar
2011-06-29T19:52:41Z

Changelog v7:
- moved the initialization call to security_inode_init_security,
renaming evm_inode_post_init_security to evm_inode_init_security
- increase size of xattr array for EVM xattr

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
---
security/security.c | 18 ++++++++++++------
1 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/security/security.c b/security/security.c
index 21a79b3..181990a 100644
--- a/security/security.c
+++ b/security/security.c
@@ -20,7 +20,7 @@
#include <linux/ima.h>
#include <linux/evm.h>

-#define MAX_LSM_XATTR 1
+#define MAX_LSM_EVM_XATTR 2

/* Boot-time LSM user choice */
static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
@@ -346,8 +346,8 @@ int security_inode_init_security(struct inode *inode, struct inode *dir,
const struct qstr *qstr,
const initxattrs initxattrs, void *fs_data)
{
- struct xattr new_xattrs[MAX_LSM_XATTR + 1];
- struct xattr *lsm_xattr;
+ struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
+ struct xattr *lsm_xattr, *evm_xattr, *xattr;
int ret;

if (unlikely(IS_PRIVATE(inode)))
@@ -364,11 +364,17 @@ int security_inode_init_security(struct inode *inode, struct inode *dir,
&lsm_xattr->value_len);
if (ret)
goto out;
+
+ evm_xattr = lsm_xattr + 1;
+ ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
+ if (ret)
+ goto out;
ret = initxattrs(inode, new_xattrs, fs_data);
out:
- kfree(lsm_xattr->name);
- kfree(lsm_xattr->value);
-
+ for (xattr = new_xattrs; xattr->name != NULL; xattr++) {
+ kfree(xattr->name);
+ kfree(xattr->value);
+ }
return (ret == -EOPNOTSUPP) ? 0 : ret;
}
EXPORT_SYMBOL(security_inode_init_security);
--
1.7.3.4