From: Insu Yun <wuninsu@gmail.com>
To: kyungmin.park@samsung.com, k.debski@samsung.com,
jtp.park@samsung.com, mchehab@osg.samsung.com,
linux-arm-kernel@lists.infradead.org,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: taesoo@gatech.edu, yeongjin.jang@gatech.edu, insu@gatech.edu,
changwoo@gatech.edu, Insu Yun <wuninsu@gmail.com>
Subject: [PATCH] s5p_mfc: handling failed allocation for workqueue
Date: Mon, 15 Feb 2016 21:46:37 -0500 [thread overview]
Message-ID: <1455590797-8522-1-git-send-email-wuninsu@gmail.com> (raw)
create_singlethread_workqueue() can be failed in memory pressure.
Signed-off-by: Insu Yun <wuninsu@gmail.com>
---
drivers/media/platform/s5p-mfc/s5p_mfc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 927ab49..631aea814 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -1239,6 +1239,10 @@ static int s5p_mfc_probe(struct platform_device *pdev)
dev->hw_lock = 0;
dev->watchdog_workqueue = create_singlethread_workqueue(S5P_MFC_NAME);
+ if (!dev->watchdog_workqueue) {
+ ret = -ENOMEM;
+ goto err_enc_reg;
+ }
INIT_WORK(&dev->watchdog_work, s5p_mfc_watchdog_worker);
atomic_set(&dev->watchdog_cnt, 0);
init_timer(&dev->watchdog_timer);
--
1.9.1
reply other threads:[~2016-02-16 2:46 UTC|newest]
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