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author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2013-10-25 09:34:03 (GMT) |
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committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-11-29 16:20:06 (GMT) |
commit | 89f4d45b2752df5d222b5f63919ce59e2d8afaf4 (patch) | |
tree | 609282c33e05aad1295509b8ff442b0a3e7e070f | |
parent | f8e1b699a5504a2da05834c7cfdddb125a8ce088 (diff) | |
download | linux-89f4d45b2752df5d222b5f63919ce59e2d8afaf4.tar.xz |
[media] saa7164: fix return value check in saa7164_initdev()
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>
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
-rw-r--r-- | drivers/media/pci/saa7164/saa7164-core.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/pci/saa7164/saa7164-core.c b/drivers/media/pci/saa7164/saa7164-core.c index 57ef545..1bf0697 100644 --- a/drivers/media/pci/saa7164/saa7164-core.c +++ b/drivers/media/pci/saa7164/saa7164-core.c @@ -1354,9 +1354,11 @@ static int 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 */ |