[PATCH 5.8 348/464] qtnfmac: Missing platform_device_unregister() on error in qtnf_core_mac_alloc()

From: Greg Kroah-Hartman
Date: Mon Aug 17 2020 - 15:24:20 EST


From: Wang Hai <wanghai38@xxxxxxxxxx>

[ 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 <hulkci@xxxxxxxxxx>
Signed-off-by: Wang Hai <wanghai38@xxxxxxxxxx>
Reviewed-by: Sergey Matyukevich <geomatsi@xxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20200730064910.37589-1-wanghai38@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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