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| author | Jonathan Corbet <corbet@lwn.net> | 2008-05-17 00:25:20 +0400 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-06-21 00:05:53 +0400 |
| commit | b5b4aa67da65aeb58718e0a39158b293873ac572 (patch) | |
| tree | 03128da070f7110e882c58866478415575d577bf /drivers/usb/core | |
| parent | 1af46fd72d6c18c1d96ce7f3491b841055e9dcfd (diff) | |
| download | linux-b5b4aa67da65aeb58718e0a39158b293873ac572.tar.xz | |
usbdev: BKL pushdown
Add explicit lock_kernel() calls to usbdev_open()
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'drivers/usb/core')
| -rw-r--r-- | drivers/usb/core/devio.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index de17738f3acb..9218cca21043 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -565,6 +565,7 @@ static int usbdev_open(struct inode *inode, struct file *file) struct dev_state *ps; int ret; + lock_kernel(); /* Protect against simultaneous removal or release */ mutex_lock(&usbfs_mutex); @@ -611,6 +612,7 @@ static int usbdev_open(struct inode *inode, struct file *file) if (ret) kfree(ps); mutex_unlock(&usbfs_mutex); + unlock_kernel(); return ret; } |