linux-kernel - [PATCH 4.9 075/206] usb: gadget: Fix second argument of percpu_ida

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Date:   Tue, 10 Jan 2017 14:35:58 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Bart Van Assche <bart.vanassche@...disk.com>,
        Nicholas Bellinger <nab@...ux-iscsi.org>,
        Andrzej Pietrasiewicz <andrzej.p@...sung.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Felipe Balbi <felipe.balbi@...ux.intel.com>
Subject: [PATCH 4.9 075/206] usb: gadget: Fix second argument of percpu_ida_alloc()

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Bart Van Assche <bart.vanassche@...disk.com>

commit 03274445c01562d5352ea522431ab8c6175e2bbf upstream.

Pass a task state as second argument to percpu_ida_alloc().

Fixes: commit 71e7ae8e1fb2 ("usb-gadget/tcm: Conversion to percpu_ida tag pre-allocation")
Signed-off-by: Bart Van Assche <bart.vanassche@...disk.com>
Cc: Nicholas Bellinger <nab@...ux-iscsi.org>
Cc: Andrzej Pietrasiewicz <andrzej.p@...sung.com>
Cc: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc: Felipe Balbi <felipe.balbi@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/gadget/function/f_tcm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/usb/gadget/function/f_tcm.c
+++ b/drivers/usb/gadget/function/f_tcm.c
@@ -1073,7 +1073,7 @@ static struct usbg_cmd *usbg_get_cmd(str
 	struct usbg_cmd *cmd;
 	int tag;
 
-	tag = percpu_ida_alloc(&se_sess->sess_tag_pool, GFP_ATOMIC);
+	tag = percpu_ida_alloc(&se_sess->sess_tag_pool, TASK_RUNNING);
 	if (tag < 0)
 		return ERR_PTR(-ENOMEM);