size_t count, loff_t *ppos)
{
char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
- ssize_t ret = 0;
+ ssize_t len, ret = 0;
struct snd_soc_codec *codec;
if (!buf)
return -ENOMEM;
- list_for_each_entry(codec, &codec_list, list)
- ret += snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
- codec->name);
+ list_for_each_entry(codec, &codec_list, list) {
+ len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
+ codec->name);
+ if (len >= 0)
+ ret += len;
+ if (ret > PAGE_SIZE) {
+ ret = PAGE_SIZE;
+ break;
+ }
+ }
if (ret >= 0)
ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
size_t count, loff_t *ppos)
{
char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
- ssize_t ret = 0;
+ ssize_t len, ret = 0;
struct snd_soc_dai *dai;
if (!buf)
return -ENOMEM;
- list_for_each_entry(dai, &dai_list, list)
- ret += snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", dai->name);
+ list_for_each_entry(dai, &dai_list, list) {
+ len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", dai->name);
+ if (len >= 0)
+ ret += len;
+ if (ret > PAGE_SIZE) {
+ ret = PAGE_SIZE;
+ break;
+ }
+ }
- if (ret >= 0)
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
+ ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
kfree(buf);
size_t count, loff_t *ppos)
{
char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
- ssize_t ret = 0;
+ ssize_t len, ret = 0;
struct snd_soc_platform *platform;
if (!buf)
return -ENOMEM;
- list_for_each_entry(platform, &platform_list, list)
- ret += snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
- platform->name);
+ list_for_each_entry(platform, &platform_list, list) {
+ len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
+ platform->name);
+ if (len >= 0)
+ ret += len;
+ if (ret > PAGE_SIZE) {
+ ret = PAGE_SIZE;
+ break;
+ }
+ }
- if (ret >= 0)
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
+ ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
kfree(buf);