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Date: Sun, 07 Feb 2021 09:46:50 -0800
From: Joe Perches <joe@...ches.com>
To: Mahak Gupta <gmahak1@...il.com>, linux-kernel@...r.kernel.org,
devel@...verdev.osuosl.org, gregkh@...uxfoundation.org,
rcy@...gle.com, benchan@...omium.org, toddpoynor@...gle.com,
rspringer@...gle.com
Subject: Re: [PATCH] staging: gasket: fix indentation and lines ending with
open parenthesis
On Sun, 2021-02-07 at 19:39 +0530, Mahak Gupta wrote:
> This patch fixes warnings of 'checkpatch.pl'. According to
> Linux coding guidelines, code should be aligned properly to
> match with open parenthesis and lines should not end with
> open parenthesis.
Perhaps try using temporaries to reduce line length when used multiple times...
Something like:
---
drivers/staging/gasket/gasket_ioctl.c | 31 +++++++++++++++++++------------
1 file changed, 19 insertions(+), 12 deletions(-)
diff --git a/drivers/staging/gasket/gasket_ioctl.c b/drivers/staging/gasket/gasket_ioctl.c
index e3047d36d8db..3cb2227d5972 100644
--- a/drivers/staging/gasket/gasket_ioctl.c
+++ b/drivers/staging/gasket/gasket_ioctl.c
@@ -44,6 +44,7 @@ static int gasket_read_page_table_size(struct gasket_dev *gasket_dev,
{
int ret = 0;
struct gasket_page_table_ioctl ibuf;
+ struct gasket_page_table *table;
if (copy_from_user(&ibuf, argp, sizeof(struct gasket_page_table_ioctl)))
return -EFAULT;
@@ -51,8 +52,8 @@ static int gasket_read_page_table_size(struct gasket_dev *gasket_dev,
if (ibuf.page_table_index >= gasket_dev->num_page_tables)
return -EFAULT;
- ibuf.size = gasket_page_table_num_entries(
- gasket_dev->page_table[ibuf.page_table_index]);
+ table = gasket_dev->page_table[ibuf.page_table_index];
+ ibuf.size = gasket_page_table_num_entries(table);
trace_gasket_ioctl_page_table_data(ibuf.page_table_index, ibuf.size,
ibuf.host_address,
@@ -70,6 +71,7 @@ static int gasket_read_simple_page_table_size(struct gasket_dev *gasket_dev,
{
int ret = 0;
struct gasket_page_table_ioctl ibuf;
+ struct gasket_page_table *table;
if (copy_from_user(&ibuf, argp, sizeof(struct gasket_page_table_ioctl)))
return -EFAULT;
@@ -77,8 +79,8 @@ static int gasket_read_simple_page_table_size(struct gasket_dev *gasket_dev,
if (ibuf.page_table_index >= gasket_dev->num_page_tables)
return -EFAULT;
- ibuf.size =
- gasket_page_table_num_simple_entries(gasket_dev->page_table[ibuf.page_table_index]);
+ table = gasket_dev->page_table[ibuf.page_table_index];
+ ibuf.size = gasket_page_table_num_simple_entries(table);
trace_gasket_ioctl_page_table_data(ibuf.page_table_index, ibuf.size,
ibuf.host_address,
@@ -97,6 +99,7 @@ static int gasket_partition_page_table(struct gasket_dev *gasket_dev,
int ret;
struct gasket_page_table_ioctl ibuf;
uint max_page_table_size;
+ struct gasket_page_table *table;
if (copy_from_user(&ibuf, argp, sizeof(struct gasket_page_table_ioctl)))
return -EFAULT;
@@ -107,8 +110,9 @@ static int gasket_partition_page_table(struct gasket_dev *gasket_dev,
if (ibuf.page_table_index >= gasket_dev->num_page_tables)
return -EFAULT;
- max_page_table_size = gasket_page_table_max_size(
- gasket_dev->page_table[ibuf.page_table_index]);
+
+ table = gasket_dev->page_table[ibuf.page_table_index];
+ max_page_table_size = gasket_page_table_max_size(table);
if (ibuf.size > max_page_table_size) {
dev_dbg(gasket_dev->dev,
@@ -119,8 +123,7 @@ static int gasket_partition_page_table(struct gasket_dev *gasket_dev,
mutex_lock(&gasket_dev->mutex);
- ret = gasket_page_table_partition(
- gasket_dev->page_table[ibuf.page_table_index], ibuf.size);
+ ret = gasket_page_table_partition(table, ibuf.size);
mutex_unlock(&gasket_dev->mutex);
return ret;
@@ -131,6 +134,7 @@ static int gasket_map_buffers(struct gasket_dev *gasket_dev,
struct gasket_page_table_ioctl __user *argp)
{
struct gasket_page_table_ioctl ibuf;
+ struct gasket_page_table *table;
if (copy_from_user(&ibuf, argp, sizeof(struct gasket_page_table_ioctl)))
return -EFAULT;
@@ -142,12 +146,13 @@ static int gasket_map_buffers(struct gasket_dev *gasket_dev,
if (ibuf.page_table_index >= gasket_dev->num_page_tables)
return -EFAULT;
- if (gasket_page_table_are_addrs_bad(gasket_dev->page_table[ibuf.page_table_index],
+ table = gasket_dev->page_table[ibuf.page_table_index];
+ if (gasket_page_table_are_addrs_bad(table,
ibuf.host_address,
ibuf.device_address, ibuf.size))
return -EINVAL;
- return gasket_page_table_map(gasket_dev->page_table[ibuf.page_table_index],
+ return gasket_page_table_map(table,
ibuf.host_address, ibuf.device_address,
ibuf.size / PAGE_SIZE);
}
@@ -157,6 +162,7 @@ static int gasket_unmap_buffers(struct gasket_dev *gasket_dev,
struct gasket_page_table_ioctl __user *argp)
{
struct gasket_page_table_ioctl ibuf;
+ struct gasket_page_table *table;
if (copy_from_user(&ibuf, argp, sizeof(struct gasket_page_table_ioctl)))
return -EFAULT;
@@ -168,11 +174,12 @@ static int gasket_unmap_buffers(struct gasket_dev *gasket_dev,
if (ibuf.page_table_index >= gasket_dev->num_page_tables)
return -EFAULT;
- if (gasket_page_table_is_dev_addr_bad(gasket_dev->page_table[ibuf.page_table_index],
+ table = gasket_dev->page_table[ibuf.page_table_index];
+ if (gasket_page_table_is_dev_addr_bad(table,
ibuf.device_address, ibuf.size))
return -EINVAL;
- gasket_page_table_unmap(gasket_dev->page_table[ibuf.page_table_index],
+ gasket_page_table_unmap(table,
ibuf.device_address, ibuf.size / PAGE_SIZE);
return 0;
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