Messages in this thread Patch in this message | | | From | Kangjie Lu <> | Subject | [PATCH] net: fm10k: fix a potential NULL pointer dereference | Date | Mon, 11 Mar 2019 01:17:32 -0500 |
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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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