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authorAl Viro <viro@zeniv.linux.org.uk>2011-06-20 19:38:15 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2011-07-20 01:43:26 -0400
commite74f71eb78a4a8b9eaf1bc65f20f761648e85f76 (patch)
tree7bc7fc1344f5ed6e3ce8132b36125ef5cec6407c /security/smack/smack_lsm.c
parent10556cb21a0d0b24d95f00ea6df16f599a3345b2 (diff)
downloadvexpress-lsk-e74f71eb78a4a8b9eaf1bc65f20f761648e85f76.tar.gz
->permission() sanitizing: don't pass flags to ->inode_permission()
pass that via mask instead. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'security/smack/smack_lsm.c')
-rw-r--r--security/smack/smack_lsm.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 9831a39c11f..f375eb2e195 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -689,9 +689,10 @@ static int smack_inode_rename(struct inode *old_inode,
*
* Returns 0 if access is permitted, -EACCES otherwise
*/
-static int smack_inode_permission(struct inode *inode, int mask, unsigned flags)
+static int smack_inode_permission(struct inode *inode, int mask)
{
struct smk_audit_info ad;
+ int no_block = mask & MAY_NOT_BLOCK;
mask &= (MAY_READ|MAY_WRITE|MAY_EXEC|MAY_APPEND);
/*
@@ -701,7 +702,7 @@ static int smack_inode_permission(struct inode *inode, int mask, unsigned flags)
return 0;
/* May be droppable after audit */
- if (flags & IPERM_FLAG_RCU)
+ if (no_block)
return -ECHILD;
smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_INODE);
smk_ad_setfield_u_fs_inode(&ad, inode);