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authorAlan Stern <stern@rowland.harvard.edu>2007-08-24 15:42:39 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2007-10-12 14:55:23 -0700
commit1431d2a44ccf68a547094976f363f94177ab00c6 (patch)
treeea02b1f45fe22214778d4986bc2d1b7051dcdced /include/linux/usb.h
parent4a00027dcb088bf90fa8fb14a7e8ba3506d78f22 (diff)
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.h4
1 files changed, 0 insertions, 4 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 5c7b79088ad..5b14b4c81fd 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;