diff options
| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2013-10-25 06:34:03 -0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-04-14 06:44:33 -0700 |
| commit | c34cad873ff38096f8710ab318b486d4e40d4293 (patch) | |
| tree | 163ec08bcc8587d55dcc7d7f74f745ec40644c4a | |
| parent | 96ca9726343c0166dbdbe85c0d80a95c44a0c90a (diff) | |
media: saa7164: fix return value check in saa7164_initdev()
commit 89f4d45b2752df5d222b5f63919ce59e2d8afaf4 upstream.
In case of error, the function kthread_run() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Jianguo Wu <wujianguo@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/media/video/saa7164/saa7164-core.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/video/saa7164/saa7164-core.c b/drivers/media/video/saa7164/saa7164-core.c index 3b7d7b4e3034..8f3c47e1325f 100644 --- a/drivers/media/video/saa7164/saa7164-core.c +++ b/drivers/media/video/saa7164/saa7164-core.c @@ -1386,9 +1386,11 @@ static int __devinit saa7164_initdev(struct pci_dev *pci_dev, if (fw_debug) { dev->kthread = kthread_run(saa7164_thread_function, dev, "saa7164 debug"); - if (!dev->kthread) + if (IS_ERR(dev->kthread)) { + dev->kthread = NULL; printk(KERN_ERR "%s() Failed to create " "debug kernel thread\n", __func__); + } } } /* != BOARD_UNKNOWN */ |