X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sound%2Foss%2Fali5455.c;h=3f3a456b3d7ef6727817d08bb3fa02075c93a9cf;hb=7b563c525e46f373a521421e31aa791cc27beb56;hp=a7e2c3c0a5fd6c2af284dc1fc7a5b7443deb0cf2;hpb=a91482bdcc2e0f6035702e46f1b99043a0893346;p=linux-2.6.git

diff --git a/sound/oss/ali5455.c b/sound/oss/ali5455.c
index a7e2c3c0a..3f3a456b3 100644
--- a/sound/oss/ali5455.c
+++ b/sound/oss/ali5455.c
@@ -1583,7 +1583,7 @@ static ssize_t ali_read(struct file *file, char __user *buffer,
 			size_t count, loff_t * ppos)
 {
 	struct ali_state *state = (struct ali_state *) file->private_data;
-	struct ali_card *card = state ? state->card : NULL;
+	struct ali_card *card = state ? state->card : 0;
 	struct dmabuf *dmabuf = &state->dmabuf;
 	ssize_t ret;
 	unsigned long flags;
@@ -1593,6 +1593,8 @@ static ssize_t ali_read(struct file *file, char __user *buffer,
 #ifdef DEBUG2
 	printk("ali_audio: ali_read called, count = %d\n", count);
 #endif
+	if (ppos != &file->f_pos)
+		return -ESPIPE;
 	if (dmabuf->mapped)
 		return -ENXIO;
 	if (dmabuf->enable & DAC_RUNNING)
@@ -1722,7 +1724,7 @@ static ssize_t ali_write(struct file *file,
 			 const char __user *buffer, size_t count, loff_t * ppos)
 {
 	struct ali_state *state = (struct ali_state *) file->private_data;
-	struct ali_card *card = state ? state->card : NULL;
+	struct ali_card *card = state ? state->card : 0;
 	struct dmabuf *dmabuf = &state->dmabuf;
 	ssize_t ret;
 	unsigned long flags;
@@ -1732,6 +1734,8 @@ static ssize_t ali_write(struct file *file,
 #ifdef DEBUG2
 	printk("ali_audio: ali_write called, count = %d\n", count);
 #endif
+	if (ppos != &file->f_pos)
+		return -ESPIPE;
 	if (dmabuf->mapped)
 		return -ENXIO;
 	if (dmabuf->enable & ADC_RUNNING)
@@ -2886,7 +2890,7 @@ found_virt:
 	state->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
 	outl(0x00000000, card->iobase + ALI_INTERRUPTCR);
 	outl(0x00000000, card->iobase + ALI_INTERRUPTSR);
-	return nonseekable_open(inode, file);
+	return 0;
 }
 
 static int ali_release(struct inode *inode, struct file *file)
@@ -3043,7 +3047,7 @@ static int ali_open_mixdev(struct inode *inode, struct file *file)
 			if (card->ac97_codec[i] != NULL
 			    && card->ac97_codec[i]->dev_mixer == minor) {
 				file->private_data = card->ac97_codec[i];
-				return nonseekable_open(inode, file);
+				return 0;
 			}
 	}
 	return -ENODEV;