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-rw-r--r--security/integrity/ima/ima.h1
-rw-r--r--security/integrity/ima/ima_iint.c6
-rw-r--r--security/integrity/ima/ima_main.c16
3 files changed, 6 insertions, 17 deletions
diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h
index 80aca3d2cb7..b546b90f5fa 100644
--- a/security/integrity/ima/ima.h
+++ b/security/integrity/ima/ima.h
@@ -108,7 +108,6 @@ struct ima_iint_cache {
struct mutex mutex; /* protects: version, flags, digest */
/* protected by inode->i_lock */
unsigned int readcount; /* measured files readcount */
- unsigned int writecount;/* measured files writecount */
struct kref refcount; /* ima_iint_cache reference count */
};
diff --git a/security/integrity/ima/ima_iint.c b/security/integrity/ima/ima_iint.c
index db71a13f27f..e68891f8d55 100644
--- a/security/integrity/ima/ima_iint.c
+++ b/security/integrity/ima/ima_iint.c
@@ -129,11 +129,6 @@ void iint_free(struct kref *kref)
iint->readcount);
iint->readcount = 0;
}
- if (iint->writecount != 0) {
- printk(KERN_INFO "%s: writecount: %u\n", __func__,
- iint->writecount);
- iint->writecount = 0;
- }
kref_init(&iint->refcount);
kmem_cache_free(iint_cache, iint);
}
@@ -166,7 +161,6 @@ static void init_once(void *foo)
iint->flags = 0UL;
mutex_init(&iint->mutex);
iint->readcount = 0;
- iint->writecount = 0;
kref_init(&iint->refcount);
}
diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
index 2f9b5d50424..24660bf3f82 100644
--- a/security/integrity/ima/ima_main.c
+++ b/security/integrity/ima/ima_main.c
@@ -94,8 +94,6 @@ static void ima_inc_counts(struct ima_iint_cache *iint, fmode_t mode)
if ((mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ)
iint->readcount++;
- if (mode & FMODE_WRITE)
- iint->writecount++;
}
/*
@@ -173,18 +171,16 @@ static void ima_dec_counts(struct ima_iint_cache *iint, struct inode *inode,
iint->readcount--;
}
if (mode & FMODE_WRITE) {
- if (unlikely(iint->writecount == 0))
+ if (atomic_read(&inode->i_writecount) <= 0)
dump = true;
- iint->writecount--;
- if (iint->writecount == 0) {
- if (iint->version != inode->i_version)
- iint->flags &= ~IMA_MEASURED;
- }
+ if (atomic_read(&inode->i_writecount) == 1 &&
+ iint->version != inode->i_version)
+ iint->flags &= ~IMA_MEASURED;
}
if (dump && !ima_limit_imbalance(file)) {
- printk(KERN_INFO "%s: open/free imbalance (r:%u w:%u)\n",
- __func__, iint->readcount, iint->writecount);
+ printk(KERN_INFO "%s: open/free imbalance (r:%u)\n",
+ __func__, iint->readcount);
dump_stack();
}
}