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

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11961 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2008-07-27 15:36:56 +00:00
parent c531033b79
commit 0b0fc306e1
1 changed files with 4 additions and 4 deletions
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8
target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c
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@ -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_async_open(struct inode *, struct file *);
static int debug_periodic_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_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 ssize_t debug_output(struct file*, char __user*, size_t, loff_t*);
static int debug_close(struct inode *, struct file *); static int debug_close(struct inode *, struct file *);
@ -429,7 +428,8 @@ struct debug_buffer {
static ssize_t static ssize_t
show_list(struct admhcd *ahcd, char *buf, size_t count, struct ed *ed) show_list(struct admhcd *ahcd, char *buf, size_t count, struct ed *ed)
{ {
unsigned temp, size = count; unsigned temp;
unsigned size = count;
if (!ed) if (!ed)
return 0; 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); hcd = bus_to_hcd(bus);
ahcd = hcd_to_admhcd(hcd); 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); spin_unlock_irqrestore(&ahcd->lock, flags);
return temp; return temp;