linux-kernel - [PATCH v2 1/2] octeon_ep: Fix a memory leak in the error handling path of octep_request

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Date:   Tue, 17 May 2022 22:59:51 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     vburru@...vell.com, aayarekar@...vell.com, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        sburla@...vell.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH v2 1/2] octeon_ep: Fix a memory leak in the error handling path of octep_request_irqs()

'oct->non_ioq_irq_names' is not freed in the error handling path of
octep_request_irqs().

Add the missing kfree().

Fixes: 37d79d059606 ("octeon_ep: add Tx/Rx processing and interrupt support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Acked-by: Veerasenareddy Burru <vburru@...vell.com>
---
v2: Add Acked-by tag

v1:
    https://lore.kernel.org/all/78dcfbb5d22328bc83edbfc74af10c3625c54087.1652629833.git.christophe.jaillet@wanadoo.fr/
---
 drivers/net/ethernet/marvell/octeon_ep/octep_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c
index e020c81f3455..6b60a03574a0 100644
--- a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c
+++ b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c
@@ -267,6 +267,8 @@ static int octep_request_irqs(struct octep_device *oct)
 		--i;
 		free_irq(oct->msix_entries[i].vector, oct);
 	}
+	kfree(oct->non_ioq_irq_names);
+	oct->non_ioq_irq_names = NULL;
 alloc_err:
 	return -1;
 }
-- 
2.34.1