* [PATCH] Staging: gasket: Use temporaries to reduce line length.
@ 2019-09-09 20:28 ` Sandro Volery
0 siblings, 0 replies; 6+ messages in thread
From: Sandro Volery @ 2019-09-09 20:28 UTC (permalink / raw
To: rspringer, toddpoynor, benchan, gregkh, devel, linux-kernel
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
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH] Staging: gasket: Use temporaries to reduce line length.
@ 2019-09-09 20:28 ` Sandro Volery
0 siblings, 0 replies; 6+ messages in thread
From: Sandro Volery @ 2019-09-09 20:28 UTC (permalink / raw
To: rspringer, toddpoynor, benchan, gregkh, devel, linux-kernel
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
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http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH] Staging: gasket: Use temporaries to reduce line length.
2019-09-09 20:28 ` Sandro Volery
@ 2019-09-09 22:30 ` Joe Perches
-1 siblings, 0 replies; 6+ messages in thread
From: Joe Perches @ 2019-09-09 22:30 UTC (permalink / raw
To: Sandro Volery, rspringer, toddpoynor, benchan, gregkh, devel,
linux-kernel
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;
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Staging: gasket: Use temporaries to reduce line length.
@ 2019-09-09 22:30 ` Joe Perches
0 siblings, 0 replies; 6+ messages in thread
From: Joe Perches @ 2019-09-09 22:30 UTC (permalink / raw
To: Sandro Volery, rspringer, toddpoynor, benchan, gregkh, devel,
linux-kernel
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;
_______________________________________________
devel mailing list
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http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Staging: gasket: Use temporaries to reduce line length.
2019-09-09 22:30 ` Joe Perches
@ 2019-09-10 4:51 ` Sandro Volery
-1 siblings, 0 replies; 6+ messages in thread
From: Sandro Volery @ 2019-09-10 4:51 UTC (permalink / raw
To: Joe Perches; +Cc: rspringer, toddpoynor, benchan, gregkh, devel, linux-kernel
> On 10 Sep 2019, at 00:30, Joe Perches <joe@perches.com> wrote:
>
> 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.
>
Shoot. I'm sorry I'm just really trying to get into all this...
> You also should have cc'd me on this patch.
>
Will do! I'll submit v2 this afternoon.
>> 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);
>
Thanks for being patient with me so far... I'd imagine others would've freaked out at me by now :)
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Staging: gasket: Use temporaries to reduce line length.
@ 2019-09-10 4:51 ` Sandro Volery
0 siblings, 0 replies; 6+ messages in thread
From: Sandro Volery @ 2019-09-10 4:51 UTC (permalink / raw
To: Joe Perches; +Cc: devel, gregkh, linux-kernel, rspringer, toddpoynor
> On 10 Sep 2019, at 00:30, Joe Perches <joe@perches.com> wrote:
>
> 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.
>
Shoot. I'm sorry I'm just really trying to get into all this...
> You also should have cc'd me on this patch.
>
Will do! I'll submit v2 this afternoon.
>> 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);
>
Thanks for being patient with me so far... I'd imagine others would've freaked out at me by now :)
_______________________________________________
devel mailing list
devel@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2019-09-10 4:51 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2019-09-09 20:28 [PATCH] Staging: gasket: Use temporaries to reduce line length Sandro Volery
2019-09-09 20:28 ` Sandro Volery
2019-09-09 22:30 ` Joe Perches
2019-09-09 22:30 ` Joe Perches
2019-09-10 4:51 ` Sandro Volery
2019-09-10 4:51 ` Sandro Volery
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