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authorStephen Smalley <sds@tycho.nsa.gov>2018-12-12 10:10:56 -0500
committerPaul Moore <paul@paul-moore.com>2019-01-10 20:34:37 -0500
commite46e01eebbbcf2ff6d28ee7cae9f117e9d1572c8 (patch)
tree21fb06603d0a98d0146053922e1a93ba5ded5817 /security/selinux/include
parent3a28cff3bd4bf43f02be0c4e7933aebf3dc8197e (diff)
selinux: stop passing MAY_NOT_BLOCK to the AVC upon follow_link
commit bda0be7ad9948 ("security: make inode_follow_link RCU-walk aware") switched selinux_inode_follow_link() to use avc_has_perm_flags() and pass down the MAY_NOT_BLOCK flag if called during RCU walk. However, the only test of MAY_NOT_BLOCK occurs during slow_avc_audit() and only if passing an inode as audit data (LSM_AUDIT_DATA_INODE). Since selinux_inode_follow_link() passes a dentry directly, passing MAY_NOT_BLOCK here serves no purpose. Switch selinux_inode_follow_link() to use avc_has_perm() and drop avc_has_perm_flags() since there are no other users. Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to 'security/selinux/include')
-rw-r--r--security/selinux/include/avc.h5
1 files changed, 0 insertions, 5 deletions
diff --git a/security/selinux/include/avc.h b/security/selinux/include/avc.h
index 74ea50977c20..7be0e1e90e8b 100644
--- a/security/selinux/include/avc.h
+++ b/security/selinux/include/avc.h
@@ -153,11 +153,6 @@ int avc_has_perm(struct selinux_state *state,
u32 ssid, u32 tsid,
u16 tclass, u32 requested,
struct common_audit_data *auditdata);
-int avc_has_perm_flags(struct selinux_state *state,
- u32 ssid, u32 tsid,
- u16 tclass, u32 requested,
- struct common_audit_data *auditdata,
- int flags);
int avc_has_extended_perms(struct selinux_state *state,
u32 ssid, u32 tsid, u16 tclass, u32 requested,