[PATCH 5.7 289/393] qtnfmac: Missing platform_device_unregister() on error in qtnf_core_mac_alloc()

[Greg Kroah-Hartman]

From: Wang Hai <wangha...@huawei.com>

[ Upstream commit 141bc9abbbffa89d020957caa9ac4a61d0ef1e26 ]

Add the missing platform_device_unregister() before return from
qtnf_core_mac_alloc() in the error handling case.

Fixes: 616f5701f4ab ("qtnfmac: assign each wiphy to its own virtual platform 
device")
Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Wang Hai <wangha...@huawei.com>
Reviewed-by: Sergey Matyukevich <geoma...@gmail.com>
Signed-off-by: Kalle Valo <kv...@codeaurora.org>
Link: https://lore.kernel.org/r/20200730064910.37589-1-wangha...@huawei.com
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/net/wireless/quantenna/qtnfmac/core.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/quantenna/qtnfmac/core.c 
b/drivers/net/wireless/quantenna/qtnfmac/core.c
index eea777f8acea5..6aafff9d4231b 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/core.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/core.c
@@ -446,8 +446,11 @@ static struct qtnf_wmac *qtnf_core_mac_alloc(struct 
qtnf_bus *bus,
        }
 
        wiphy = qtnf_wiphy_allocate(bus, pdev);
-       if (!wiphy)
+       if (!wiphy) {
+               if (pdev)
+                       platform_device_unregister(pdev);
                return ERR_PTR(-ENOMEM);
+       }
 
        mac = wiphy_priv(wiphy);
 
-- 
2.25.1