On Mon, 2019-09-09 at 22:28 +0200, Sandro Volery wrote:
> Using temporaries for gasket_page_table entries to remove scnprintf()
> statements and reduce line length, as suggested by Joe Perches. Thanks!
nak. Slow down. You broke the code.
Please be _way_ more careful and verify for yourself
the code you submit _before_ you submit it.
compile/test/verify, twice if necessary.
You also should have cc'd me on this patch.
> diff --git a/drivers/staging/gasket/apex_driver.c b/drivers/staging/gasket/apex_driver.c
[]
> @@ -524,29 +526,25 @@ static ssize_t sysfs_show(struct device *device, struct device_attribute *attr,
> }
>
> type = (enum sysfs_attribute_type)gasket_attr->data.attr_type;
> + gpt = gasket_dev->page_table[0];
> switch (type) {
> case ATTR_KERNEL_HIB_PAGE_TABLE_SIZE:
> - ret = scnprintf(buf, PAGE_SIZE, "%u\n",
> - gasket_page_table_num_entries(
> - gasket_dev->page_table[0]));
> + val = gasket_page_table_num_simple_entries(gpt);
You likely duplicated this line via copy/paste.
This should be:
val = gasket_page_table_num_entries(gpt);
> break;
> case ATTR_KERNEL_HIB_SIMPLE_PAGE_TABLE_SIZE:
> - ret = scnprintf(buf, PAGE_SIZE, "%u\n",
> - gasket_page_table_num_simple_entries(
> - gasket_dev->page_table[0]));
> + val = gasket_page_table_num_simple_entries(gpt);
break;
> case ATTR_KERNEL_HIB_NUM_ACTIVE_PAGES:
> - ret = scnprintf(buf, PAGE_SIZE, "%u\n",
> - gasket_page_table_num_active_pages(
> - gasket_dev->page_table[0]));
> + val = gasket_page_table_num_active_pages(gpt);
> break;
> default:
> dev_dbg(gasket_dev->dev, "Unknown attribute: %s\n",
> attr->attr.name);
> ret = 0;
> - break;
> + goto exit;
> }
> -
> + ret = scnprintf(buf, PAGE_SIZE, "%u\n", val);
> +exit:
> gasket_sysfs_put_attr(device, gasket_attr);
> gasket_sysfs_put_device_data(device, gasket_dev);
> return ret;
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