kthread_run might sleep during an allocation, and so
it's considered unsafe to call with a state that's not
RUNNABLE.
Move the state setting to after kthread_run call.
Signed-off-by: Oleg Drokin <gr...@linuxhacker.ru>
---
drivers/staging/lustre/lnet/libcfs/debug.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/lustre/lnet/libcfs/debug.c
b/drivers/staging/lustre/lnet/libcfs/debug.c
index 75a2a42..42b15a7 100644
--- a/drivers/staging/lustre/lnet/libcfs/debug.c
+++ b/drivers/staging/lustre/lnet/libcfs/debug.c
@@ -362,12 +362,12 @@ void libcfs_debug_dumplog(void)
* get to schedule()
*/
init_waitqueue_entry(&wait, current);
- set_current_state(TASK_INTERRUPTIBLE);
add_wait_queue(&debug_ctlwq, &wait);
dumper = kthread_run(libcfs_debug_dumplog_thread,
(void *)(long)current_pid(),
"libcfs_debug_dumper");
+ set_current_state(TASK_INTERRUPTIBLE);
if (IS_ERR(dumper))
pr_err("LustreError: cannot start log dump thread: %ld\n",
PTR_ERR(dumper));
--
2.7.4
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