From e6028db0146cf5a68dbd1508225ea49840997880 Mon Sep 17 00:00:00 2001 From: Alexey Khoroshilov Date: Sat, 22 Dec 2012 01:44:16 +0400 Subject: mei: fix mismatch in mutex unlock-lock in mei_amthif_read() Users of mei_amthif_read() expect it leaves dev->device_lock held, while there is a path where mei_amthif_read() unlocks device_lock and returns -ERESTARTSYS. The patch move code locking device_lock back before the return. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov Cc: Sedat Dilek Acked-by: Tomas Winkler Signed-off-by: Greg Kroah-Hartman --- drivers/misc/mei/amthif.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/misc') diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c index 18794aea6062..e40ffd9502d1 100644 --- a/drivers/misc/mei/amthif.c +++ b/drivers/misc/mei/amthif.c @@ -187,13 +187,13 @@ int mei_amthif_read(struct mei_device *dev, struct file *file, wait_ret = wait_event_interruptible(dev->iamthif_cl.wait, (cb = mei_amthif_find_read_list_entry(dev, file))); + /* Locking again the Mutex */ + mutex_lock(&dev->device_lock); + if (wait_ret) return -ERESTARTSYS; dev_dbg(&dev->pdev->dev, "woke up from sleep\n"); - - /* Locking again the Mutex */ - mutex_lock(&dev->device_lock); } -- cgit v1.2.3 From ea03c81521bde526570e1dec96eaa21fe5ac84a2 Mon Sep 17 00:00:00 2001 From: Bo Shen Date: Fri, 11 Jan 2013 15:08:31 +0100 Subject: ASoC: atmel-ssc: add pinctrl selection to driver Add default pinctrl selection to atmel-ssc driver. The pinctrl is mandatory. Signed-off-by: Bo Shen [nicolas.ferre@atmel.com: split dtsi and driver changes] Signed-off-by: Nicolas Ferre Signed-off-by: Mark Brown --- drivers/misc/atmel-ssc.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/misc') diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c index 158da5a81a66..3c09cbb70b1d 100644 --- a/drivers/misc/atmel-ssc.c +++ b/drivers/misc/atmel-ssc.c @@ -19,6 +19,7 @@ #include #include +#include /* Serialize access to ssc_list and user count */ static DEFINE_SPINLOCK(user_lock); @@ -131,6 +132,13 @@ static int ssc_probe(struct platform_device *pdev) struct resource *regs; struct ssc_device *ssc; const struct atmel_ssc_platform_data *plat_dat; + struct pinctrl *pinctrl; + + pinctrl = devm_pinctrl_get_select_default(&pdev->dev); + if (IS_ERR(pinctrl)) { + dev_err(&pdev->dev, "Failed to request pinctrl\n"); + return PTR_ERR(pinctrl); + } ssc = devm_kzalloc(&pdev->dev, sizeof(struct ssc_device), GFP_KERNEL); if (!ssc) { -- cgit v1.2.3