ecryptfs: Return an error code only as a constant in ecryptfs_add_global_auth_tok()

* Return an error code without storing it in an intermediate variable.

* Delete the jump target "out" and the local variable "rc"
  which became unnecessary with this refactoring.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
This commit is contained in:
Markus Elfring 2017-08-19 17:51:53 +02:00 committed by Tyler Hicks
parent 1a0bba4ff0
commit a463ce5bbd

View File

@ -2526,14 +2526,12 @@ ecryptfs_add_global_auth_tok(struct ecryptfs_mount_crypt_stat *mount_crypt_stat,
char *sig, u32 global_auth_tok_flags)
{
struct ecryptfs_global_auth_tok *new_auth_tok;
int rc = 0;
new_auth_tok = kmem_cache_zalloc(ecryptfs_global_auth_tok_cache,
GFP_KERNEL);
if (!new_auth_tok) {
rc = -ENOMEM;
goto out;
}
if (!new_auth_tok)
return -ENOMEM;
memcpy(new_auth_tok->sig, sig, ECRYPTFS_SIG_SIZE_HEX);
new_auth_tok->flags = global_auth_tok_flags;
new_auth_tok->sig[ECRYPTFS_SIG_SIZE_HEX] = '\0';
@ -2541,7 +2539,6 @@ ecryptfs_add_global_auth_tok(struct ecryptfs_mount_crypt_stat *mount_crypt_stat,
list_add(&new_auth_tok->mount_crypt_stat_list,
&mount_crypt_stat->global_auth_tok_list);
mutex_unlock(&mount_crypt_stat->global_auth_tok_list_mutex);
out:
return rc;
return 0;
}