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| author | Gabor Juhos <juhosg@openwrt.org> | 2008-07-27 15:36:56 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2008-07-27 15:36:56 +0000 |
| commit | 6fb96b4b63dada57a59b1b762af63c3b1d36f40a (patch) | |
| tree | b9347e6c2b8e049de87fa3385e723494e6d9cc69 /target | |
| parent | 8e626bffb7f8c2e8fe5bab155e8866aeb0cd2d67 (diff) | |
| download | mtk-20170518-6fb96b4b63dada57a59b1b762af63c3b1d36f40a.zip mtk-20170518-6fb96b4b63dada57a59b1b762af63c3b1d36f40a.tar.gz mtk-20170518-6fb96b4b63dada57a59b1b762af63c3b1d36f40a.tar.bz2 | |
fix a bug in the USB driver debug code
SVN-Revision: 11961
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c | 8 |
1 files changed, 4 insertions, 4 deletions
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 --- 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 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) { - unsigned temp, size = count; + unsigned temp; + unsigned size = count; 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; } + 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); - /* display control and bulk lists together, for simplicity */ 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; |