linux-kernel - [21/23] KEYS: Return more accurate error codes

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Message-Id: <20100701172858.213606614@clark.site>
Date:	Thu, 01 Jul 2010 10:27:10 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Dan Carpenter <error27@...il.com>,
	David Howells <dhowells@...hat.com>,
	James Morris <jmorris@...ei.org>
Subject: [21/23] KEYS: Return more accurate error codes

2.6.27-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Dan Carpenter <error27@...il.com>

commit 4d09ec0f705cf88a12add029c058b53f288cfaa2 upstream.

We were using the wrong variable here so the error codes weren't being returned
properly.  The original code returns -ENOKEY.

Signed-off-by: Dan Carpenter <error27@...il.com>
Signed-off-by: David Howells <dhowells@...hat.com>
Signed-off-by: James Morris <jmorris@...ei.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

--- a/security/keys/process_keys.c
+++ b/security/keys/process_keys.c
@@ -508,7 +508,7 @@ try_again:
 
 			ret = install_thread_keyring();
 			if (ret < 0) {
-				key = ERR_PTR(ret);
+				key_ref = ERR_PTR(ret);
 				goto error;
 			}
 			goto reget_creds;
@@ -526,7 +526,7 @@ try_again:
 
 			ret = install_process_keyring();
 			if (ret < 0) {
-				key = ERR_PTR(ret);
+				key_ref = ERR_PTR(ret);
 				goto error;
 			}
 			goto reget_creds;
@@ -585,7 +585,7 @@ try_again:
 
 	case KEY_SPEC_GROUP_KEYRING:
 		/* group keyrings are not yet supported */
-		key = ERR_PTR(-EINVAL);
+		key_ref = ERR_PTR(-EINVAL);
 		goto error;
 
 	case KEY_SPEC_REQKEY_AUTH_KEY:


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