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keys: Export lookup_user_key to external users

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Export lookup_user_key() symbol in order to allow nvdimm passphrase
update to retrieve user injected keys.

Signed-off-by: Dave Jiang <[email protected]>
Acked-by: David Howells <[email protected]>
Signed-off-by: Dan Williams <[email protected]>
This commit is contained in:
Dave Jiang 2018-12-04 10:31:27 -08:00 • committed by Dan Williams
commit 76ef5e1725
3 changed files with 4 additions and 2 deletions
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2
security/keys/internal.h
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@ -158,8 +158,6 @@ extern struct key *request_key_and_link(struct key_type *type,
extern bool lookup_user_key_possessed(const struct key *key,
const struct key_match_data *match_data);
extern key_ref_t lookup_user_key(key_serial_t id, unsigned long flags,
key_perm_t perm);
#define KEY_LOOKUP_CREATE 0x01
#define KEY_LOOKUP_PARTIAL 0x02
#define KEY_LOOKUP_FOR_UNLINK 0x04

1
security/keys/process_keys.c
View file

@ -755,6 +755,7 @@ reget_creds:
put_cred(ctx.cred);
goto try_again;
}
EXPORT_SYMBOL(lookup_user_key);
/*
* Join the named keyring as the session keyring if possible else attempt to