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| author | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2012-05-21 21:39:42 +0200 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2012-05-21 21:39:42 +0200 |
| commit | 0ad8c6a22d03a1598f7cc6585c65354dadca62ad (patch) | |
| tree | 1507deef3d55d5f3c71b2f76924fe1f6c6211905 /drivers/usb/class/cdc-wdm.c | |
| parent | 8527f8e2934683e53405fbe876a4e6f4a0c46eb8 (diff) | |
| parent | 76e10d158efb6d4516018846f60c2ab5501900bc (diff) | |
Merge tag 'v3.4' with SCSI updates, needed for subsequent firewire-sbp2 changes
Linux 3.4
Diffstat (limited to 'drivers/usb/class/cdc-wdm.c')
| -rw-r--r-- | drivers/usb/class/cdc-wdm.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index c6f6560d436..0bb2b3248da 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -157,8 +157,9 @@ static void wdm_out_callback(struct urb *urb) spin_lock(&desc->iuspin); desc->werr = urb->status; spin_unlock(&desc->iuspin); - clear_bit(WDM_IN_USE, &desc->flags); kfree(desc->outbuf); + desc->outbuf = NULL; + clear_bit(WDM_IN_USE, &desc->flags); wake_up(&desc->wait); } @@ -338,7 +339,7 @@ static ssize_t wdm_write if (we < 0) return -EIO; - desc->outbuf = buf = kmalloc(count, GFP_KERNEL); + buf = kmalloc(count, GFP_KERNEL); if (!buf) { rv = -ENOMEM; goto outnl; @@ -406,10 +407,12 @@ static ssize_t wdm_write req->wIndex = desc->inum; req->wLength = cpu_to_le16(count); set_bit(WDM_IN_USE, &desc->flags); + desc->outbuf = buf; rv = usb_submit_urb(desc->command, GFP_KERNEL); if (rv < 0) { kfree(buf); + desc->outbuf = NULL; clear_bit(WDM_IN_USE, &desc->flags); dev_err(&desc->intf->dev, "Tx URB error: %d\n", rv); } else { |