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hv_netvsc: Fix error handling in netvsc_attach()
authorHaiyang Zhang <haiyangz@microsoft.com>
Wed, 30 Oct 2019 15:32:13 +0000 (15:32 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 31 Oct 2019 01:17:36 +0000 (18:17 -0700)
commit719b85c336ed35565d0f3982269d6f684087bb00
treef08ae7bc835932ecc0392bb56b16af8663ecde00
parentc4509a5ac0ace94d5b1f0092dc4d36933c1d896e
hv_netvsc: Fix error handling in netvsc_attach()

If rndis_filter_open() fails, we need to remove the rndis device created
in earlier steps, before returning an error code. Otherwise, the retry of
netvsc_attach() from its callers will fail and hang.

Fixes: 7b2ee50c0cd5 ("hv_netvsc: common detach logic")
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/hyperv/netvsc_drv.c