The kthread_run() function returns either a valid task_struct or
ERR_PTR() value, check for NULL is invalid. The change fixes potential
oops, e.g. in OOM situation.
Signed-off-by: Vladimir Zapolskiy <vz@xxxxxxxxx>
---
drivers/staging/wilc1000/linux_wlan.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c
index 54fe9d7..5077c30 100644
--- a/drivers/staging/wilc1000/linux_wlan.c
+++ b/drivers/staging/wilc1000/linux_wlan.c
@@ -849,10 +849,10 @@ static int wlan_initialize_threads(struct net_device *dev)
PRINT_D(INIT_DBG, "Creating kthread for transmission\n");
wilc->txq_thread = kthread_run(linux_wlan_txq_task, (void *)dev,
"K_TXQ_TASK");
- if (!wilc->txq_thread) {
+ if (IS_ERR(wilc->txq_thread)) {
PRINT_ER("couldn't create TXQ thread\n");
wilc->close = 0;
- return -ENOBUFS;
+ return PTR_ERR(wilc->txq_thread);
}
down(&wilc->txq_thread_started);
--
2.1.4
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