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Subject[PATCH] net: fm10k: fix a potential NULL pointer dereference
Date
In case alloc_workqueue fails, the fix returns -ENOMEM to avoid
potential NULL pointer dereference.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
---
drivers/net/ethernet/intel/fm10k/fm10k_main.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c
index 5a0419421511..215f232674f1 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c
@@ -41,6 +41,8 @@ static int __init fm10k_init_module(void)
/* create driver workqueue */
fm10k_workqueue = alloc_workqueue("%s", WQ_MEM_RECLAIM, 0,
fm10k_driver_name);
+ if (unlikely(!fm10k_workqueue))
+ return -ENOMEM;

fm10k_dbg_init();

--
2.17.1
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