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USBMSC: Add locks when removing request from queue.

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This commit is contained in:
Wolfgang Reissnegger
2016-07-23 20:10:41 -07:00
parent 81f7758848
commit 2974d2b07e
1 changed files with 2 additions and 0 deletions
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drivers/usbdev/usbmsc_scsi.c
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@@ -2263,7 +2263,9 @@ static int usbmsc_cmdwritestate(FAR struct usbmsc_dev_s *priv)
* data to be written.
*/
irqstate_t flags = enter_critical_section();
privreq = (FAR struct usbmsc_req_s *)sq_remfirst(&priv->rdreqlist);
leave_critical_section(flags);
/* If there no request data available, then just return an error.
* This will cause us to remain in the CMDWRITE state. When a filled request is