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KEYS: Reinstate lost passing of process keyring ID in call_sbin_request_key()

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In commit bb952bb98a there was the accidental
deletion of a statement from call_sbin_request_key() to render the process
keyring ID to a text string so that it can be passed to /sbin/request-key.

With gcc 4.6.0 this causes the following warning:

  CC      security/keys/request_key.o
security/keys/request_key.c: In function 'call_sbin_request_key':
security/keys/request_key.c:102:15: warning: variable 'prkey' set but not used

This patch reinstates that statement.

Without this statement, /sbin/request-key will get some random rubbish from the
stack as that parameter.

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Justin P. Mattock 2010-06-30 10:39:11 +01:00 committed by James Morris
parent 94fd8405ea
commit 5ad18a0d59
1 changed files with 1 additions and 0 deletions
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security/keys/request_key.c
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@ -144,6 +144,7 @@ static int call_sbin_request_key(struct key_construction *cons,
prkey = 0;
if (cred->tgcred->process_keyring)
prkey = cred->tgcred->process_keyring->serial;
sprintf(keyring_str[1], "%d", prkey);
rcu_read_lock();
session = rcu_dereference(cred->tgcred->session_keyring);