Re: [PATCH 2/4] ima: Simplify ima_eventsig_init()

From: Serge E. Hallyn
Date: Wed Mar 14 2018 - 17:31:53 EST


Quoting Thiago Jung Bauermann (bauerman@xxxxxxxxxxxxxxxxxx):
> The "goto out" statement doesn't have any purpose since there's no cleanup
> to be done when returning early, so remove it. This also makes the rc
> variable unnecessary so remove it as well.
>
> Also, the xattr_len and fmt variables are redundant so remove them as well.
>
> Signed-off-by: Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxxxxxxx>

Acked-by: Serge Hallyn <serge@xxxxxxxxxx>

> ---
> security/integrity/ima/ima_template_lib.c | 11 +++--------
> 1 file changed, 3 insertions(+), 8 deletions(-)
>
> diff --git a/security/integrity/ima/ima_template_lib.c b/security/integrity/ima/ima_template_lib.c
> index 28af43f63572..5afaa53decc5 100644
> --- a/security/integrity/ima/ima_template_lib.c
> +++ b/security/integrity/ima/ima_template_lib.c
> @@ -378,16 +378,11 @@ int ima_eventname_ng_init(struct ima_event_data *event_data,
> int ima_eventsig_init(struct ima_event_data *event_data,
> struct ima_field_data *field_data)
> {
> - enum data_formats fmt = DATA_FMT_HEX;
> struct evm_ima_xattr_data *xattr_value = event_data->xattr_value;
> - int xattr_len = event_data->xattr_len;
> - int rc = 0;
>
> if ((!xattr_value) || (xattr_value->type != EVM_IMA_XATTR_DIGSIG))
> - goto out;
> + return 0;
>
> - rc = ima_write_template_field_data(xattr_value, xattr_len, fmt,
> - field_data);
> -out:
> - return rc;
> + return ima_write_template_field_data(xattr_value, event_data->xattr_len,
> + DATA_FMT_HEX, field_data);
> }