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authorDavid Howells <dhowells@redhat.com>2005-12-01 00:51:18 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-12-01 15:48:56 -0800
commitdb1d1d57e97700b4131fe80556dc6ef976d534c4 (patch)
treeabdc78339b1c1bd4e37cb496c68424d9d7d98592 /security/keys
parent5c72c343719a8c5dba675cd1b27b63c06bfe23d1 (diff)
downloadlinux-db1d1d57e97700b4131fe80556dc6ef976d534c4.tar.gz
[PATCH] Keys: Fix permissions check for update vs add
Permit add_key() to once again update a matching key rather than adding a
new one if a matching key already exists in the target keyring.

This bug causes add_key() to always add a new key, displacing the old from
the target keyring.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'security/keys')
-rw-r--r--security/keys/keyring.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/security/keys/keyring.c b/security/keys/keyring.c
index c7a0ab1cfda3..4e9fa8be44b8 100644
--- a/security/keys/keyring.c
+++ b/security/keys/keyring.c
@@ -526,7 +526,7 @@ key_ref_t __keyring_search_one(key_ref_t keyring_ref,
 			    (!key->type->match ||
 			     key->type->match(key, description)) &&
 			    key_permission(make_key_ref(key, possessed),
-					   perm) < 0 &&
+					   perm) == 0 &&
 			    !test_bit(KEY_FLAG_REVOKED, &key->flags)
 			    )
 				goto found;