linux-kernel - [PATCH] function mana_hwc_create

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Date:   Thu, 10 Jun 2021 16:29:17 +0100
From:   Dhiraj Shah <find.dhiraj@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     find.dhiraj@...il.com, "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Shachar Raindel <shacharr@...rosoft.com>,
        Colin Ian King <colin.king@...onical.com>,
        linux-hyperv@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] function mana_hwc_create_wq leaks memory

memory space allocated for the queue in function
mana_gd_create_hwc_queue is not freed during error condition.

Signed-off-by: Dhiraj Shah <find.dhiraj@...il.com>
---
 drivers/net/ethernet/microsoft/mana/hw_channel.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/microsoft/mana/hw_channel.c b/drivers/net/ethernet/microsoft/mana/hw_channel.c
index 1a923fd99990..4aa4bda518fb 100644
--- a/drivers/net/ethernet/microsoft/mana/hw_channel.c
+++ b/drivers/net/ethernet/microsoft/mana/hw_channel.c
@@ -501,8 +501,10 @@ static int mana_hwc_create_wq(struct hw_channel_context *hwc,
 	*hwc_wq_ptr = hwc_wq;
 	return 0;
 out:
-	if (err)
+	if (err) {
+		kfree(queue);
 		mana_hwc_destroy_wq(hwc, hwc_wq);
+	}
 	return err;
 }
 
-- 
2.30.1 (Apple Git-130)