3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/media/pci/saa7164/saa7164-core.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/media/pci/saa7164/saa7164-core.c
+++ b/drivers/media/pci/saa7164/saa7164-core.c
@@ -1348,9 +1348,11 @@ static int saa7164_initdev(struct pci_de
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 */
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