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| author | Ming Lei <tom.leiming@gmail.com> | 2008-12-12 21:38:45 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-01-07 10:00:08 -0800 |
| commit | 49367d8f1d9f26482cf7089489e90f0afd0a942c (patch) | |
| tree | e0b8beb733f49772f258f90ce7af856a10fbdaac /include/linux | |
| parent | 3b23dd6f8a718e5339de4f7d86ce76a078b5f771 (diff) | |
| download | linux-3.10-49367d8f1d9f26482cf7089489e90f0afd0a942c.tar.gz linux-3.10-49367d8f1d9f26482cf7089489e90f0afd0a942c.tar.bz2 linux-3.10-49367d8f1d9f26482cf7089489e90f0afd0a942c.zip | |
USB: mark "reject" field of struct urb as atomic_t
It is enough to protect accesses to reject field of urb
by marking it as atomic_t,also it is the only reason of
existence of usb_reject_lock,so remove the lock to make
code more clean.
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Acked-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/usb.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h index e9d63562325..4e8654a1825 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -1340,7 +1340,7 @@ struct urb { struct kref kref; /* reference count of the URB */ void *hcpriv; /* private data for host controller */ atomic_t use_count; /* concurrent submissions counter */ - u8 reject; /* submissions will fail */ + atomic_t reject; /* submissions will fail */ int unlinked; /* unlink error code */ /* public: documented fields in the urb that can be used by drivers */ |