> -----Original Message----- > From: Intel-wired-lan <intel-wired-lan-bounces@xxxxxxxxxx> On Behalf Of > Simon Horman > Sent: Friday, July 26, 2024 9:16 AM > To: Lobakin, Aleksander <aleksander.lobakin@xxxxxxxxx> > Cc: Linga, Pavan Kumar <pavan.kumar.linga@xxxxxxxxx>; NEX SW NCIS OSDT ITP > Upstreaming <nex.sw.ncis.osdt.itp.upstreaming@xxxxxxxxx>; > netdev@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; stable@xxxxxxxxxxxxxxx; > Eric Dumazet <edumazet@xxxxxxxxxx>; Kubiak, Michal > <michal.kubiak@xxxxxxxxx>; Nguyen, Anthony L > <anthony.l.nguyen@xxxxxxxxx>; Jakub Kicinski <kuba@xxxxxxxxxx>; intel-wired- > lan@xxxxxxxxxxxxxxxx; Paolo Abeni <pabeni@xxxxxxxxxx>; David S. Miller > <davem@xxxxxxxxxxxxx> > Subject: Re: [Intel-wired-lan] [PATCH iwl-net 2/3] idpf: fix memleak in vport > interrupt configuration > > On Wed, Jul 24, 2024 at 03:40:23PM +0200, Alexander Lobakin wrote: > > From: Michal Kubiak <michal.kubiak@xxxxxxxxx> > > > > The initialization of vport interrupt consists of two functions: > > 1) idpf_vport_intr_init() where a generic configuration is done > > 2) idpf_vport_intr_req_irq() where the irq for each q_vector is > > requested. > > > > The first function used to create a base name for each interrupt using > > "kasprintf()" call. Unfortunately, although that call allocated memory > > for a text buffer, that memory was never released. > > > > Fix this by removing creating the interrupt base name in 1). > > Instead, always create a full interrupt name in the function 2), because > > there is no need to create a base name separately, considering that the > > function 2) is never called out of idpf_vport_intr_init() context. > > > > Fixes: d4d558718266 ("idpf: initialize interrupts and enable vport") > > Cc: stable@xxxxxxxxxxxxxxx # 6.7 > > Signed-off-by: Michal Kubiak <michal.kubiak@xxxxxxxxx> > > Reviewed-by: Pavan Kumar Linga <pavan.kumar.linga@xxxxxxxxx> > > Signed-off-by: Alexander Lobakin <aleksander.lobakin@xxxxxxxxx> > > Reviewed-by: Simon Horman <horms@xxxxxxxxxx> Tested-by: Krishneil Singh <krishneil.k.singh@xxxxxxxxx>