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ecryptfs: checking return code of ecryptfs_find_auth_tok_for_sig()

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This patch replaces the check of the 'matching_auth_tok' pointer with
the exit status of ecryptfs_find_auth_tok_for_sig().
This avoids to use authentication tokens obtained through the function
ecryptfs_keyring_auth_tok_for_sig which are not valid.

Signed-off-by: Roberto Sassu <roberto.sassu@polito.it>
Cc: Dustin Kirkland <kirkland@canonical.com>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
This commit is contained in:
Roberto Sassu 2010-10-06 18:31:15 +02:00 committed by Tyler Hicks
parent aee683b9e7
commit 39fac853a7
1 changed files with 2 additions and 2 deletions
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4
fs/ecryptfs/keystore.c
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@ -1819,11 +1819,11 @@ find_next_matching_auth_tok:
rc = -EINVAL;
goto out_wipe_list;
}
ecryptfs_find_auth_tok_for_sig(&auth_tok_key,
rc = ecryptfs_find_auth_tok_for_sig(&auth_tok_key,
&matching_auth_tok,
crypt_stat->mount_crypt_stat,
candidate_auth_tok_sig);
if (matching_auth_tok) {
if (!rc) {
found_auth_tok = 1;
goto found_matching_auth_tok;
}