[ALSA] ESS Maestro 1/2/2E Sound Card: Use list_for_each_entry

ESS Maestro 1/2/2E Sound Card: Use list_for_each_entry instead of
list_for_each

Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 11 insertions, 17 deletions

diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c
index 2faf009076bb..d69b11d1f993 100644
--- a/sound/pci/es1968.c
+++ b/sound/pci/es1968.c
@@ -843,10 +843,9 @@ static void snd_es1968_bob_dec(struct es1968 *chip)
                 snd_es1968_bob_stop(chip);
         else if (chip->bob_freq > ESM_BOB_FREQ) {
                 /* check reduction of timer frequency */
-                struct list_head *p;
                 int max_freq = ESM_BOB_FREQ;
-                list_for_each(p, &chip->substream_list) {
-                        struct esschan *es = list_entry(p, struct esschan, list);
+                struct esschan *es;
+                list_for_each_entry(es, &chip->substream_list, list) {
                         if (max_freq < es->bob_freq)
                                 max_freq = es->bob_freq;
                 }
@@ -1316,12 +1315,11 @@ static struct snd_pcm_hardware snd_es1968_capture = {
 
 static int calc_available_memory_size(struct es1968 *chip)
 {
-        struct list_head *p;
         int max_size = 0;
-        
+        struct esm_memory *buf;
+
         mutex_lock(&chip->memory_mutex);
-        list_for_each(p, &chip->buf_list) {
-                struct esm_memory *buf = list_entry(p, struct esm_memory, list);
+        list_for_each_entry(buf, &chip->buf_list, list) {
                 if (buf->empty && buf->buf.bytes > max_size)
                         max_size = buf->buf.bytes;
         }
@@ -1335,12 +1333,10 @@ static int calc_available_memory_size(struct es1968 *chip)
 static struct esm_memory *snd_es1968_new_memory(struct es1968 *chip, int size)
 {
         struct esm_memory *buf;
-        struct list_head *p;
-        
+
         size = ALIGN(size, ESM_MEM_ALIGN);
         mutex_lock(&chip->memory_mutex);
-        list_for_each(p, &chip->buf_list) {
-                buf = list_entry(p, struct esm_memory, list);
+        list_for_each_entry(buf, &chip->buf_list, list) {
                 if (buf->empty && buf->buf.bytes >= size)
                         goto __found;
         }
@@ -1938,10 +1934,9 @@ static irqreturn_t snd_es1968_interrupt(int irq, void *dev_id)
         }
 
         if (event & ESM_SOUND_IRQ) {
-                struct list_head *p;
+                struct esschan *es;
                 spin_lock(&chip->substream_lock);
-                list_for_each(p, &chip->substream_list) {
-                        struct esschan *es = list_entry(p, struct esschan, list);
+                list_for_each_entry(es, &chip->substream_list, list) {
                         if (es->running)
                                 snd_es1968_update_pcm(chip, es);
                 }
@@ -2345,7 +2340,7 @@ static int es1968_resume(struct pci_dev *pci)
 {
         struct snd_card *card = pci_get_drvdata(pci);
         struct es1968 *chip = card->private_data;
-        struct list_head *p;
+        struct esschan *es;
 
         if (! chip->do_pm)
                 return 0;
@@ -2374,8 +2369,7 @@ static int es1968_resume(struct pci_dev *pci)
         /* restore ac97 state */
         snd_ac97_resume(chip->ac97);
 
-        list_for_each(p, &chip->substream_list) {
-                struct esschan *es = list_entry(p, struct esschan, list);
+        list_for_each_entry(es, &chip->substream_list, list) {
                 switch (es->mode) {
                 case ESM_MODE_PLAY:
                         snd_es1968_playback_setup(chip, es, es->substream->runtime);