2 files changed, 24 insertions, 11 deletions

diff --git a/include/sound/es1688.h b/include/sound/es1688.h
index 3ec7ecbe2502..f752dd33dfaf 100644
--- a/include/sound/es1688.h
+++ b/include/sound/es1688.h
@@ -29,6 +29,7 @@
 #define ES1688_HW_AUTO          0x0000
 #define ES1688_HW_688           0x0001
 #define ES1688_HW_1688          0x0002
+#define ES1688_HW_UNDEF 0x0003
 
 struct snd_es1688 {
         unsigned long port;             /* port of ESS chip */
diff --git a/sound/isa/es1688/es1688_lib.c b/sound/isa/es1688/es1688_lib.c
index 1d47be8170b5..b3b4f15e45ba 100644
--- a/sound/isa/es1688/es1688_lib.c
+++ b/sound/isa/es1688/es1688_lib.c
@@ -612,10 +612,10 @@ static int snd_es1688_capture_close(struct snd_pcm_substream *substream)
 
 static int snd_es1688_free(struct snd_es1688 *chip)
 {
-        if (chip->res_port) {
+        if (chip->hardware != ES1688_HW_UNDEF)
                 snd_es1688_init(chip, 0);
+        if (chip->res_port)
                 release_and_free_resource(chip->res_port);
-        }
         if (chip->irq >= 0)
                 free_irq(chip->irq, (void *) chip);
         if (chip->dma8 >= 0) {
@@ -657,19 +657,27 @@ int snd_es1688_create(struct snd_card *card,
                 return -ENOMEM;
         chip->irq = -1;
         chip->dma8 = -1;
+        chip->hardware = ES1688_HW_UNDEF;
         
-        if ((chip->res_port = request_region(port + 4, 12, "ES1688")) == NULL) {
+        chip->res_port = request_region(port + 4, 12, "ES1688");
+        if (chip->res_port == NULL) {
                 snd_printk(KERN_ERR "es1688: can't grab port 0x%lx\n", port + 4);
-                return -EBUSY;
+                err = -EBUSY;
+                goto exit;
         }
-        if (request_irq(irq, snd_es1688_interrupt, 0, "ES1688", (void *) chip)) {
+
+        err = request_irq(irq, snd_es1688_interrupt, 0, "ES1688", (void *) chip);
+        if (err < 0) {
                 snd_printk(KERN_ERR "es1688: can't grab IRQ %d\n", irq);
-                return -EBUSY;
+                goto exit;
         }
+
         chip->irq = irq;
-        if (request_dma(dma8, "ES1688")) {
+        err = request_dma(dma8, "ES1688");
+
+        if (err < 0) {
                 snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8);
-                return -EBUSY;
+                goto exit;
         }
         chip->dma8 = dma8;
 
@@ -685,14 +693,18 @@ int snd_es1688_create(struct snd_card *card,
 
         err = snd_es1688_probe(chip);
         if (err < 0)
-                return err;
+                goto exit;
 
         err = snd_es1688_init(chip, 1);
         if (err < 0)
-                return err;
+                goto exit;
 
         /* Register device */
-        return snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
+        err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
+exit:
+        if (err)
+                snd_es1688_free(chip);
+        return err;
 }
 
 static struct snd_pcm_ops snd_es1688_playback_ops = {