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Subject[PATCH] dlm: sanitize work_start() in lowcomms.c
Date
The create_workqueue() returns NULL if failed rather than ERR_PTR().
Fix error checking and remove unnecessary variable 'error'.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Tejun Heo <tj@kernel.org>
---
fs/dlm/lowcomms.c | 16 +++++++---------
1 files changed, 7 insertions(+), 9 deletions(-)
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 37a34c2c622a..ea04e87b8666 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -1430,20 +1430,18 @@ static void work_stop(void)

static int work_start(void)
{
- int error;
recv_workqueue = create_workqueue("dlm_recv");
- error = IS_ERR(recv_workqueue);
- if (error) {
- log_print("can't start dlm_recv %d", error);
- return error;
+ if (!recv_workqueue) {
+ log_print("can't start dlm_recv");
+ return -ENOMEM;
}

send_workqueue = create_singlethread_workqueue("dlm_send");
- error = IS_ERR(send_workqueue);
- if (error) {
- log_print("can't start dlm_send %d", error);
+ if (!send_workqueue) {
+ log_print("can't start dlm_send");
destroy_workqueue(recv_workqueue);
- return error;
+ recv_workqueue = NULL;
+ return -ENOMEM;
}

return 0;
--
1.7.3.3.400.g93cef


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