RE: [EXT] [PATCH 1/2] octeon_ep: Fix a memory leak in the error handling path of octep_request_irqs()

From: Veerasenareddy Burru
Date: Mon May 16 2022 - 18:07:14 EST


> -----Original Message-----
> From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> Sent: Sunday, May 15, 2022 8:57 AM
> To: Veerasenareddy Burru <vburru@xxxxxxxxxxx>; Abhijit Ayarekar
> <aayarekar@xxxxxxxxxxx>; David S. Miller <davem@xxxxxxxxxxxxx>; Eric
> Dumazet <edumazet@xxxxxxxxxx>; Jakub Kicinski <kuba@xxxxxxxxxx>;
> Paolo Abeni <pabeni@xxxxxxxxxx>; Satananda Burla <sburla@xxxxxxxxxxx>
> Cc: linux-kernel@xxxxxxxxxxxxxxx; kernel-janitors@xxxxxxxxxxxxxxx;
> Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>;
> netdev@xxxxxxxxxxxxxxx
> Subject: [EXT] [PATCH 1/2] octeon_ep: Fix a memory leak in the error
> handling path of octep_request_irqs()
>
> External Email
>
> ----------------------------------------------------------------------
> '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@xxxxxxxxxx>
> ---
> 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;
Ack
Thanks for the change.

Regards,
Veerasenareddy
> alloc_err:
> return -1;
> }
> --
> 2.34.1