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authorDenis Efremov <efremov@linux.com>2020-08-27 10:29:23 +0300
committerDavid Howells <dhowells@redhat.com>2021-01-21 19:16:09 +0300
commit272a121940a286d7abaf7ac3ec5a37c5dbfa7b89 (patch)
tree71810f1062e04b27f7c96124b0e8f8883f2e20a6 /security
parent8fe62e0c0e2efa5437f3ee81b65d69e70a45ecd2 (diff)
downloadlinux-272a121940a286d7abaf7ac3ec5a37c5dbfa7b89.tar.xz
security/keys: use kvfree_sensitive()
Use kvfree_sensitive() instead of open-coding it. Signed-off-by: Denis Efremov <efremov@linux.com> Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Reviewed-by: Ben Boeckel <mathstuf@gmail.com>
Diffstat (limited to 'security')
-rw-r--r--security/keys/big_key.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/security/keys/big_key.c b/security/keys/big_key.c
index 691347dea3c1..d17e5f09eeb8 100644
--- a/security/keys/big_key.c
+++ b/security/keys/big_key.c
@@ -121,8 +121,7 @@ int big_key_preparse(struct key_preparsed_payload *prep)
*path = file->f_path;
path_get(path);
fput(file);
- memzero_explicit(buf, enclen);
- kvfree(buf);
+ kvfree_sensitive(buf, enclen);
} else {
/* Just store the data in a buffer */
void *data = kmalloc(datalen, GFP_KERNEL);
@@ -140,8 +139,7 @@ err_fput:
err_enckey:
kfree_sensitive(enckey);
error:
- memzero_explicit(buf, enclen);
- kvfree(buf);
+ kvfree_sensitive(buf, enclen);
return ret;
}
@@ -273,8 +271,7 @@ long big_key_read(const struct key *key, char *buffer, size_t buflen)
err_fput:
fput(file);
error:
- memzero_explicit(buf, enclen);
- kvfree(buf);
+ kvfree_sensitive(buf, enclen);
} else {
ret = datalen;
memcpy(buffer, key->payload.data[big_key_data], datalen);