[adm5120] fix a bug in the USB driver debug code

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11961 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c
index a6eb67c..f3b55f6 100644 (file)
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c
@@ -393,7 +393,6 @@ static inline void remove_debug_files(struct admhcd *bus) { }
 static int debug_async_open(struct inode *, struct file *);
 static int debug_periodic_open(struct inode *, struct file *);
 static int debug_registers_open(struct inode *, struct file *);
 static int debug_async_open(struct inode *, struct file *);
 static int debug_periodic_open(struct inode *, struct file *);
 static int debug_registers_open(struct inode *, struct file *);

-static int debug_async_open(struct inode *, struct file *);

 static ssize_t debug_output(struct file*, char __user*, size_t, loff_t*);
 static int debug_close(struct inode *, struct file *);
 
 static ssize_t debug_output(struct file*, char __user*, size_t, loff_t*);
 static int debug_close(struct inode *, struct file *);
 


@@ -429,7 +428,8 @@ struct debug_buffer {
 static ssize_t
 show_list(struct admhcd *ahcd, char *buf, size_t count, struct ed *ed)
 {
 static ssize_t
 show_list(struct admhcd *ahcd, char *buf, size_t count, struct ed *ed)
 {

-       unsigned                temp, size = count;
+       unsigned temp;
+       unsigned size = count;

 
        if (!ed)
                return 0;
 
        if (!ed)
                return 0;


@@ -488,6 +488,7 @@ show_list(struct admhcd *ahcd, char *buf, size_t count, struct ed *ed)
 
                ed = ed->ed_next;
        }
 
                ed = ed->ed_next;
        }

+

        return count - size;
 }
 
        return count - size;
 }
 


@@ -503,9 +504,8 @@ static ssize_t fill_async_buffer(struct debug_buffer *buf)
        hcd = bus_to_hcd(bus);
        ahcd = hcd_to_admhcd(hcd);
 
        hcd = bus_to_hcd(bus);
        ahcd = hcd_to_admhcd(hcd);
 

-       /* display control and bulk lists together, for simplicity */

        spin_lock_irqsave(&ahcd->lock, flags);
        spin_lock_irqsave(&ahcd->lock, flags);

-       temp = show_list(ahcd, buf->page, buf->count, ahcd->ed_head);
+       temp = show_list(ahcd, buf->page, PAGE_SIZE, ahcd->ed_head);

        spin_unlock_irqrestore(&ahcd->lock, flags);
 
        return temp;
        spin_unlock_irqrestore(&ahcd->lock, flags);
 
        return temp;