linux-kernel - [PATCH 1/3] usb: musb: fix pm

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Date:	Fri, 16 Dec 2011 01:05:08 +0200
From:	Felipe Contreras <felipe.contreras@...il.com>
To:	linux-usb@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	Felipe Balbi <balbi@...com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Jiri Kosina <trivial@...nel.org>,
	Felipe Contreras <felipe.contreras@...il.com>
Subject: [PATCH 1/3] usb: musb: fix pm_runtime mismatches

Properly call pm_runtime_put() afer pm_runttime_get() on errors.

Untested.

Signed-off-by: Felipe Contreras <felipe.contreras@...il.com>
---
 drivers/usb/musb/musb_gadget.c |    1 +
 drivers/usb/musb/omap2430.c    |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 922148f..95bfd2d 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1960,6 +1960,7 @@ static int musb_gadget_start(struct usb_gadget *g,
 err2:
 	if (!is_otg_enabled(musb))
 		musb_stop(musb);
+	pm_runtime_put(musb->controller);
 err0:
 	return retval;
 }
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index ba85f27..4edfb91 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -385,6 +385,7 @@ static void omap2430_musb_disable(struct musb *musb)
 
 static int omap2430_musb_exit(struct musb *musb)
 {
+	pm_runtime_put(musb->controller);
 	del_timer_sync(&musb_idle_timer);
 
 	omap2430_low_level_exit(musb);
-- 
1.7.8.rc1.14.g248db

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