From: Roberto Sassu <roberto.sassu@xxxxxxxxxx>
[ Upstream commit e144d6b265415ddbdc54b3f17f4f95133effa5a8 ]
Evaluate error in init_ima() before register_blocking_lsm_notifier() and
return if not zero.
Cc: stable@xxxxxxxxxxxxxxx # 5.3.x
Fixes: b16942455193 ("ima: use the lsm policy update notifier")
Signed-off-by: Roberto Sassu <roberto.sassu@xxxxxxxxxx>
Reviewed-by: James Morris <jamorris@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Mimi Zohar <zohar@xxxxxxxxxxxxx>
Signed-off-by: GUO Zihua <guozihua@xxxxxxxxxx>
---
security/integrity/ima/ima_main.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
index 55681872c6ce..fcaaf2c2ba4b 100644
--- a/security/integrity/ima/ima_main.c
+++ b/security/integrity/ima/ima_main.c
@@ -557,6 +557,9 @@ static int __init init_ima(void)
error = ima_init();
}
+ if (error)
+ return error;
+
error = register_blocking_lsm_notifier(&ima_lsm_policy_notifier);
if (error)
pr_warn("Couldn't register LSM notifier, error %d\n", error);
--
2.17.1
