Commit c17e2cf7 authored by Joerg Roedel's avatar Joerg Roedel

dma-debug: code style fixes

This patch changes the recent updates to dma-debug to conform with
coding style guidelines of Linux and the -tip tree.
Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
parent 31232509
......@@ -501,8 +501,8 @@ static int prealloc_memory(u32 num_entries)
static ssize_t filter_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
unsigned long flags;
char buf[NAME_MAX_LEN + 1];
unsigned long flags;
int len;
if (!current_driver_name[0])
......@@ -523,9 +523,9 @@ static ssize_t filter_read(struct file *file, char __user *user_buf,
static ssize_t filter_write(struct file *file, const char __user *userbuf,
size_t count, loff_t *ppos)
{
unsigned long flags;
char buf[NAME_MAX_LEN];
size_t len = NAME_MAX_LEN - 1;
unsigned long flags;
size_t len;
int i;
/*
......@@ -534,7 +534,7 @@ static ssize_t filter_write(struct file *file, const char __user *userbuf,
* disabled. Since copy_from_user can fault and may sleep we
* need to copy to temporary buffer first
*/
len = min(count, len);
len = min(count, NAME_MAX_LEN - 1);
if (copy_from_user(buf, userbuf, len))
return -EFAULT;
......@@ -1040,18 +1040,19 @@ EXPORT_SYMBOL(debug_dma_map_sg);
static int get_nr_mapped_entries(struct device *dev, struct scatterlist *s)
{
struct dma_debug_entry *entry;
struct dma_debug_entry *entry, ref;
struct hash_bucket *bucket;
unsigned long flags;
int mapped_ents = 0;
struct dma_debug_entry ref;
int mapped_ents;
ref.dev = dev;
ref.dev = dev;
ref.dev_addr = sg_dma_address(s);
ref.size = sg_dma_len(s),
ref.size = sg_dma_len(s),
bucket = get_hash_bucket(&ref, &flags);
entry = hash_bucket_find(bucket, &ref);
mapped_ents = 0;
bucket = get_hash_bucket(&ref, &flags);
entry = hash_bucket_find(bucket, &ref);
if (entry)
mapped_ents = entry->sg_mapped_ents;
put_hash_bucket(bucket, &flags);
......
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