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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id 64sm45559100pfd.48.2020.03.09.09.17.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Mar 2020 09:17:13 -0700 (PDT) Date: Mon, 9 Mar 2020 09:17:12 -0700 From: Kees Cook To: Phong Tran Cc: john.garry@huawei.com, aacraid@microsemi.com, bvanassche@acm.org, jejb@linux.ibm.com, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, martin.petersen@oracle.com Subject: Re: [PATCH v3] scsi: aacraid: cleanup warning cast-function-type Message-ID: <202003090917.A3B8294@keescook> References: <9a0e6373-b4a3-0822-3b65-e3b326266832@huawei.com> <20200309155319.12658-1-tranmanphong@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200309155319.12658-1-tranmanphong@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 09, 2020 at 10:53:19PM +0700, Phong Tran wrote: > Make the aacraid driver -Wcast-function-type clean > Report by: https://github.com/KSPP/linux/issues/20 > > drivers/scsi/aacraid/aachba.c:813:23: > warning: cast between incompatible function types from > 'int (*)(struct scsi_cmnd *)' to 'void (*)(struct scsi_cmnd *)' > [-Wcast-function-type] > > Reviewed-by: Bart van Assche > Signed-off-by: Phong Tran Reviewed-by: Kees Cook -Kees > --- > drivers/scsi/aacraid/aachba.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c > index 33dbc051bff9..ebfb42af67f5 100644 > --- a/drivers/scsi/aacraid/aachba.c > +++ b/drivers/scsi/aacraid/aachba.c > @@ -798,6 +798,11 @@ static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd) > return 0; > } > > +static void aac_probe_container_scsi_done(struct scsi_cmnd *scsi_cmnd) > +{ > + aac_probe_container_callback1(scsi_cmnd); > +} > + > int aac_probe_container(struct aac_dev *dev, int cid) > { > struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL); > @@ -810,7 +815,7 @@ int aac_probe_container(struct aac_dev *dev, int cid) > return -ENOMEM; > } > scsicmd->list.next = NULL; > - scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1; > + scsicmd->scsi_done = aac_probe_container_scsi_done; > > scsicmd->device = scsidev; > scsidev->sdev_state = 0; > -- > 2.20.1 > -- Kees Cook