driverdev-devel.linuxdriverproject.org archive mirror
 help / color / mirror / Atom feed
* [PATCH v2] Staging: gasket: Use temporaries to reduce line length.
@ 2019-09-10  5:05 Sandro Volery
  2019-09-10  5:11 ` Sandro Volery LKML
  0 siblings, 1 reply; 3+ messages in thread
From: Sandro Volery @ 2019-09-10  5:05 UTC (permalink / raw)
  To: rspringer, toddpoynor, benchan, gregkh, devel, linux-kernel; +Cc: joe

Using temporaries for gasket_page_table entries to remove scnprintf()
statements and reduce line length, as suggested by Joe Perches. Thanks!

Signed-off-by: Sandro Volery <sandro@volery.com>
---
 drivers/staging/gasket/apex_driver.c | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/gasket/apex_driver.c b/drivers/staging/gasket/apex_driver.c
index 2973bb920a26..16ac4329d65f 100644
--- a/drivers/staging/gasket/apex_driver.c
+++ b/drivers/staging/gasket/apex_driver.c
@@ -509,6 +509,8 @@ static ssize_t sysfs_show(struct device *device, struct device_attribute *attr,
 	struct gasket_dev *gasket_dev;
 	struct gasket_sysfs_attribute *gasket_attr;
 	enum sysfs_attribute_type type;
+	struct gasket_page_table *gpt;
+	uint val;
 
 	gasket_dev = gasket_sysfs_get_device_data(device);
 	if (!gasket_dev) {
@@ -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);
 		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;
-- 
2.23.0

_______________________________________________
devel mailing list
devel@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel

^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2019-09-10 11:27 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-09-10  5:05 [PATCH v2] Staging: gasket: Use temporaries to reduce line length Sandro Volery
2019-09-10  5:11 ` Sandro Volery LKML
2019-09-10 11:27   ` Dan Carpenter

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).