path: root/security/keys/request_key.c
diff options
authorDavid Howells <dhowells@redhat.com>2005-08-04 11:50:01 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2005-08-04 08:20:47 -0700
commit1260f801b4e4ba7be200886b4a53d730de05ca19 (patch)
tree319a68125252ac50df21b6e84cc1131c96e60d6f /security/keys/request_key.c
parent[PATCH] Remove suspend() calls from shutdown path (diff)
[PATCH] Keys: Fix key management syscall interface bugs
This fixes five bugs in the key management syscall interface: (1) add_key() returns 0 rather than EINVAL if the key type is "". Checking the key type isn't "" should be left to lookup_user_key(). (2) request_key() returns ENOKEY rather than EPERM if the key type begins with a ".". lookup_user_key() can't do this because internal key types begin with a ".". (3) Key revocation always returns 0, even if it fails. (4) Key read can return EAGAIN rather than EACCES under some circumstances. A key is permitted to by read by a process if it doesn't grant read access, but it does grant search access and it is in the process's keyrings. That search returns EAGAIN if it fails, and this needs translating to EACCES. (5) request_key() never adds the new key to the destination keyring if one is supplied. The wrong macro was being used to test for an error condition: PTR_ERR() will always return true, whether or not there's an error; this should've been IS_ERR(). Signed-Off-By: David Howells <dhowells@redhat.com> Signed-Off-By: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'security/keys/request_key.c')
1 files changed, 1 insertions, 1 deletions
diff --git a/security/keys/request_key.c b/security/keys/request_key.c
index dfcd983af1fd..90c1506d007c 100644
--- a/security/keys/request_key.c
+++ b/security/keys/request_key.c
@@ -405,7 +405,7 @@ struct key *request_key_and_link(struct key_type *type,
/* link the new key into the appropriate keyring */
- if (!PTR_ERR(key))
+ if (!IS_ERR(key))
request_key_link(key, dest_keyring);