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-rw-r--r--security/integrity/digsig.c2
-rw-r--r--security/integrity/iint.c3
-rw-r--r--security/integrity/integrity.h2
3 files changed, 5 insertions, 2 deletions
diff --git a/security/integrity/digsig.c b/security/integrity/digsig.c
index 5e3bd72b299a..36fb6b527829 100644
--- a/security/integrity/digsig.c
+++ b/security/integrity/digsig.c
@@ -85,7 +85,7 @@ int __init integrity_init_keyring(const unsigned int id)
return err;
}
-int __init integrity_load_x509(const unsigned int id, char *path)
+int __init integrity_load_x509(const unsigned int id, const char *path)
{
key_ref_t key;
char *data;
diff --git a/security/integrity/iint.c b/security/integrity/iint.c
index dbb6d141c3db..3d2f5b45c8cb 100644
--- a/security/integrity/iint.c
+++ b/security/integrity/iint.c
@@ -213,6 +213,9 @@ int __init integrity_read_file(const char *path, char **data)
char *buf;
int rc = -EINVAL;
+ if (!path || !*path)
+ return -EINVAL;
+
file = filp_open(path, O_RDONLY, 0);
if (IS_ERR(file)) {
rc = PTR_ERR(file);
diff --git a/security/integrity/integrity.h b/security/integrity/integrity.h
index 0fc9519fefa9..9c6168709d3b 100644
--- a/security/integrity/integrity.h
+++ b/security/integrity/integrity.h
@@ -135,7 +135,7 @@ int integrity_digsig_verify(const unsigned int id, const char *sig, int siglen,
const char *digest, int digestlen);
int __init integrity_init_keyring(const unsigned int id);
-int __init integrity_load_x509(const unsigned int id, char *path);
+int __init integrity_load_x509(const unsigned int id, const char *path);
#else
static inline int integrity_digsig_verify(const unsigned int id,