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| author | Alan Stern <stern@rowland.harvard.edu> | 2007-08-24 15:42:39 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-10-12 14:55:23 -0700 |
| commit | 1431d2a44ccf68a547094976f363f94177ab00c6 (patch) | |
| tree | ea02b1f45fe22214778d4986bc2d1b7051dcdced /include/linux/usb.h | |
| parent | 4a00027dcb088bf90fa8fb14a7e8ba3506d78f22 (diff) | |
| download | linux-1431d2a44ccf68a547094976f363f94177ab00c6.tar.gz linux-1431d2a44ccf68a547094976f363f94177ab00c6.tar.bz2 linux-1431d2a44ccf68a547094976f363f94177ab00c6.zip | |
USB: get rid of urb->lock
Now that urb->status isn't used, urb->lock doesn't protect anything.
This patch (as980) removes it and replaces it with a private mutex in
the one remaining place it was still used: usb_kill_urb.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux/usb.h')
| -rw-r--r-- | include/linux/usb.h | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h index 5c7b79088add..5b14b4c81fd6 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -1241,7 +1241,6 @@ struct urb { /* private: usb core and host controller only fields in the urb */ struct kref kref; /* reference count of the URB */ - spinlock_t lock; /* lock for the URB */ void *hcpriv; /* private data for host controller */ atomic_t use_count; /* concurrent submissions counter */ u8 reject; /* submissions will fail */ @@ -1299,7 +1298,6 @@ static inline void usb_fill_control_urb (struct urb *urb, usb_complete_t complete_fn, void *context) { - spin_lock_init(&urb->lock); urb->dev = dev; urb->pipe = pipe; urb->setup_packet = setup_packet; @@ -1330,7 +1328,6 @@ static inline void usb_fill_bulk_urb (struct urb *urb, usb_complete_t complete_fn, void *context) { - spin_lock_init(&urb->lock); urb->dev = dev; urb->pipe = pipe; urb->transfer_buffer = transfer_buffer; @@ -1366,7 +1363,6 @@ static inline void usb_fill_int_urb (struct urb *urb, void *context, int interval) { - spin_lock_init(&urb->lock); urb->dev = dev; urb->pipe = pipe; urb->transfer_buffer = transfer_buffer; |