Messages in this thread | | | Subject | Re: ima: Replace two seq_printf() calls by seq_puts() in ima_show_template_data_ascii() | From | Markus Elfring <> | Date | Wed, 3 Jul 2019 11:33:22 +0200 |
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> So this is probably just a minor performance improvement in a code > path where it really doesn't matter.
I imagine that another small software adjustment can help a bit to get nicer run time characteristics also at this place.
>> +++ b/security/integrity/ima/ima_template_lib.c >> @@ -74,7 +74,7 @@ static void ima_show_template_data_ascii(struct seq_file *m, >> case DATA_FMT_DIGEST_WITH_ALGO: >> buf_ptr = strnchr(field_data->data, buflen, ':'); >> if (buf_ptr != field_data->data) >> - seq_printf(m, "%s", field_data->data); >> + seq_puts(m, field_data->data); >> >> /* skip ':' and '\0' */ >> buf_ptr += 2; > > That code looks highly suspect!
Would you like to change this implementation detail any more?
Regards, Markus
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