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authorChristoph Hellwig <hch@lst.de>2017-05-10 15:06:33 +0200
committerChristoph Hellwig <hch@lst.de>2017-06-05 16:59:12 +0200
commit85787090a21eb749d8b347eaf9ff1a455637473c (patch)
tree25f85517eb05e430352aff20e571fb604ec6abd1 /security
parent787d8c530af73257240fc0c0f60e296a83d5e5f4 (diff)
downloadlinux-0-day-85787090a21eb749d8b347eaf9ff1a455637473c.tar.gz
linux-0-day-85787090a21eb749d8b347eaf9ff1a455637473c.tar.xz
fs: switch ->s_uuid to uuid_t
For some file systems we still memcpy into it, but in various places this already allows us to use the proper uuid helpers. More to come.. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Amir Goldstein <amir73il@gmail.com> Acked-by: Mimi Zohar <zohar@linux.vnet.ibm.com> (Changes to IMA/EVM) Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'security')
-rw-r--r--security/integrity/evm/evm_crypto.c2
-rw-r--r--security/integrity/ima/ima_policy.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c
index d7f282d75cc16..1d32cd20009a3 100644
--- a/security/integrity/evm/evm_crypto.c
+++ b/security/integrity/evm/evm_crypto.c
@@ -164,7 +164,7 @@ static void hmac_add_misc(struct shash_desc *desc, struct inode *inode,
hmac_misc.mode = inode->i_mode;
crypto_shash_update(desc, (const u8 *)&hmac_misc, sizeof(hmac_misc));
if (evm_hmac_attrs & EVM_ATTR_FSUUID)
- crypto_shash_update(desc, inode->i_sb->s_uuid,
+ crypto_shash_update(desc, &inode->i_sb->s_uuid.b[0],
sizeof(inode->i_sb->s_uuid));
crypto_shash_final(desc, digest);
}
diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index 9a7c7cbdbe7ce..6f885fab9d84a 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -244,7 +244,7 @@ static bool ima_match_rules(struct ima_rule_entry *rule, struct inode *inode,
&& rule->fsmagic != inode->i_sb->s_magic)
return false;
if ((rule->flags & IMA_FSUUID) &&
- memcmp(&rule->fsuuid, inode->i_sb->s_uuid, sizeof(rule->fsuuid)))
+ !uuid_equal(&rule->fsuuid, &inode->i_sb->s_uuid))
return false;
if ((rule->flags & IMA_UID) && !rule->uid_op(cred->uid, rule->uid))
return false;