IMA: convert internal flags from long to char

The IMA flags is an unsigned long but there is only 1 flag defined.
Lets save a little space and make it a char.  This packs nicely next to
the array of u8's.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h
index 000d13a..f7af011 100644 (file)
--- a/security/integrity/ima/ima.h
+++ b/security/integrity/ima/ima.h
@@ -96,14 +96,14 @@ static inline unsigned long ima_hash_key(u8 *digest)
 }
 
 /* iint cache flags */
-#define IMA_MEASURED           1
+#define IMA_MEASURED           0x01
 
 /* integrity data associated with an inode */
 struct ima_iint_cache {
        struct rb_node rb_node; /* rooted in ima_iint_tree */
        struct inode *inode;    /* back pointer to inode in question */
        u64 version;            /* track inode changes */
-       unsigned long flags;
+       unsigned char flags;
        u8 digest[IMA_DIGEST_SIZE];
        struct mutex mutex;     /* protects: version, flags, digest */
        unsigned int readcount; /* measured files readcount */