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| author | Ingo Molnar <mingo@elte.hu> | 2008-11-18 16:48:49 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-18 16:48:49 +0100 |
| commit | 73f56c0d35e6427081a4eabd620d8b8d8a35bd09 (patch) | |
| tree | 9fe1a2577baea03f3a6ec4a5e79f3ff26c4ee0ae /drivers/usb/gadget/f_acm.c | |
| parent | 0af40a4b1050c050e62eb1dc30b82d5ab22bf221 (diff) | |
| parent | 8501c45cc32c311ae755a2d5ac8c4a5f04908d42 (diff) | |
| download | blackbird-op-linux-73f56c0d35e6427081a4eabd620d8b8d8a35bd09.tar.gz blackbird-op-linux-73f56c0d35e6427081a4eabd620d8b8d8a35bd09.zip | |
Merge branch 'iommu-fixes-2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent
Diffstat (limited to 'drivers/usb/gadget/f_acm.c')
| -rw-r--r-- | drivers/usb/gadget/f_acm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/gadget/f_acm.c b/drivers/usb/gadget/f_acm.c index 5ee1590b8e9c..c1d34df0b157 100644 --- a/drivers/usb/gadget/f_acm.c +++ b/drivers/usb/gadget/f_acm.c @@ -463,7 +463,11 @@ static int acm_cdc_notify(struct f_acm *acm, u8 type, u16 value, notify->wLength = cpu_to_le16(length); memcpy(buf, data, length); + /* ep_queue() can complete immediately if it fills the fifo... */ + spin_unlock(&acm->lock); status = usb_ep_queue(ep, req, GFP_ATOMIC); + spin_lock(&acm->lock); + if (status < 0) { ERROR(acm->port.func.config->cdev, "acm ttyGS%d can't notify serial state, %d\n", |
