[PATCH] hv_netvsc: Fix a memory leak bug
flat view
STALE2610d
From: Wenwen Wang <hidden>
Date: 2019-08-14 20:16:23
Also in:
lkml, netdev
Subsystem:
hyper-v/azure core and drivers, networking drivers, the rest · Maintainers:
"K. Y. Srinivasan", Haiyang Zhang, Wei Liu, Dexuan Cui, Long Li, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
In rndis_filter_device_add(), 'rndis_device' is allocated through kzalloc() by invoking get_rndis_device(). In the following execution, if an error occurs, the execution will go to the 'err_dev_remv' label. However, the allocated 'rndis_device' is not deallocated, leading to a memory leak bug. Signed-off-by: Wenwen Wang <redacted> --- drivers/net/hyperv/rndis_filter.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index 317dbe9..ed35085 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c@@ -1420,6 +1420,7 @@ struct netvsc_device *rndis_filter_device_add(struct hv_device *dev, err_dev_remv: rndis_filter_device_remove(dev, net_device); + kfree(rndis_device); return ERR_PTR(ret); }
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2.7.4