This commit was manufactured by cvs2svn to create tag

[linux-2.6.git] / drivers / usb / class / audio.c

diff --git a/drivers/usb/class/audio.c b/drivers/usb/class/audio.c
index 42f60fa..648bbb0 100644 (file)
--- a/drivers/usb/class/audio.c
+++ b/drivers/usb/class/audio.c
@@ -1974,7 +1974,7 @@ static int usb_audio_open_mixdev(struct inode *inode, struct file *file)
        s->count++;
 
        up(&open_sem);
-       return nonseekable_open(inode, file);
+       return 0;
 }
 
 static int usb_audio_release_mixdev(struct inode *inode, struct file *file)
@@ -2147,6 +2147,8 @@ static ssize_t usb_audio_read(struct file *file, char __user *buffer, size_t cou
        unsigned int ptr;
        int cnt, err;
 
+       if (ppos != &file->f_pos)
+               return -ESPIPE;
        if (as->usbin.dma.mapped)
                return -ENXIO;
        if (!as->usbin.dma.ready && (ret = prog_dmabuf_in(as)))
@@ -2214,6 +2216,8 @@ static ssize_t usb_audio_write(struct file *file, const char __user *buffer, siz
        unsigned int start_thr;
        int cnt, err;
 
+       if (ppos != &file->f_pos)
+               return -ESPIPE;
        if (as->usbout.dma.mapped)
                return -ENXIO;
        if (!as->usbout.dma.ready && (ret = prog_dmabuf_out(as)))
@@ -2684,7 +2688,7 @@ static int usb_audio_open(struct inode *inode, struct file *file)
        as->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
        s->count++;
        up(&open_sem);
-       return nonseekable_open(inode, file);
+       return 0;
 }
 
 static int usb_audio_release(struct inode *inode, struct file *file)