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-rw-r--r--security/keys/keyctl.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index fea2628..a6516a6 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -49,9 +49,6 @@ asmlinkage long sys_add_key(const char __user *_type,
goto error;
type[31] = '\0';
- if (!type[0])
- goto error;
-
ret = -EPERM;
if (type[0] == '.')
goto error;
@@ -144,6 +141,10 @@ asmlinkage long sys_request_key(const char __user *_type,
goto error;
type[31] = '\0';
+ ret = -EPERM;
+ if (type[0] == '.')
+ goto error;
+
/* pull the description into kernel space */
ret = -EFAULT;
dlen = strnlen_user(_description, PAGE_SIZE - 1);
@@ -362,7 +363,7 @@ long keyctl_revoke_key(key_serial_t id)
key_put(key);
error:
- return 0;
+ return ret;
} /* end keyctl_revoke_key() */
@@ -685,6 +686,8 @@ long keyctl_read_key(key_serial_t keyid, char __user *buffer, size_t buflen)
goto can_read_key2;
ret = PTR_ERR(skey);
+ if (ret == -EAGAIN)
+ ret = -EACCES;
goto error2;
}
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