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Mon, 17 Jul 2023 07:40:23 +0000 From: Ming Qian To: mchehab@kernel.org, hverkuil-cisco@xs4all.nl Cc: shawnguo@kernel.org, robh+dt@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, xiahong.bao@nxp.com, eagle.zhou@nxp.com, tao.jiang_2@nxp.com, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH] media: amphion: fix some issues reported by coverity Date: Mon, 17 Jul 2023 15:40:06 +0800 Message-Id: <20230717074006.22372-1-ming.qian@nxp.com> X-Mailer: git-send-email 2.38.1 X-ClientProxiedBy: SG2PR03CA0120.apcprd03.prod.outlook.com (2603:1096:4:91::24) To AM6PR04MB6341.eurprd04.prod.outlook.com (2603:10a6:20b:d8::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM6PR04MB6341:EE_|DU0PR04MB9249:EE_ X-MS-Office365-Filtering-Correlation-Id: 4d949887-3f69-4240-fb46-08db8699149d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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struct vpu_fs_info info; + int ret; if (!vdec->req_frame_count) return 0; @@ -1026,7 +1027,9 @@ static int vdec_response_frame_abnormal(struct vpu_inst *inst) memset(&info, 0, sizeof(info)); info.type = MEM_RES_FRAME; info.tag = vdec->seq_tag + 0xf0; - vpu_session_alloc_fs(inst, &info); + ret = vpu_session_alloc_fs(inst, &info); + if (ret) + return ret; vdec->req_frame_count--; return 0; diff --git a/drivers/media/platform/amphion/venc.c b/drivers/media/platform/amphion/venc.c index 58480e2755ec..4eb57d793a9c 100644 --- a/drivers/media/platform/amphion/venc.c +++ b/drivers/media/platform/amphion/venc.c @@ -268,7 +268,7 @@ static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *parm { struct vpu_inst *inst = to_inst(file); struct venc_t *venc = inst->priv; - struct v4l2_fract *timeperframe = &parm->parm.capture.timeperframe; + struct v4l2_fract *timeperframe; if (!parm) return -EINVAL; @@ -279,6 +279,7 @@ static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *parm if (!vpu_helper_check_type(inst, parm->type)) return -EINVAL; + timeperframe = &parm->parm.capture.timeperframe; parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; parm->parm.capture.readbuffers = 0; timeperframe->numerator = venc->params.frame_rate.numerator; @@ -291,7 +292,7 @@ static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *parm { struct vpu_inst *inst = to_inst(file); struct venc_t *venc = inst->priv; - struct v4l2_fract *timeperframe = &parm->parm.capture.timeperframe; + struct v4l2_fract *timeperframe; unsigned long n, d; if (!parm) @@ -303,6 +304,7 @@ static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *parm if (!vpu_helper_check_type(inst, parm->type)) return -EINVAL; + timeperframe = &parm->parm.capture.timeperframe; if (!timeperframe->numerator) timeperframe->numerator = venc->params.frame_rate.numerator; if (!timeperframe->denominator) diff --git a/drivers/media/platform/amphion/vpu_cmds.c b/drivers/media/platform/amphion/vpu_cmds.c index 647d94554fb5..235b71398d40 100644 --- a/drivers/media/platform/amphion/vpu_cmds.c +++ b/drivers/media/platform/amphion/vpu_cmds.c @@ -306,7 +306,8 @@ static void vpu_core_keep_active(struct vpu_core *core) dev_dbg(core->dev, "try to wake up\n"); mutex_lock(&core->cmd_lock); - vpu_cmd_send(core, &pkt); + if (vpu_cmd_send(core, &pkt)) + dev_err(core->dev, "fail to keep active\n"); mutex_unlock(&core->cmd_lock); } @@ -314,7 +315,7 @@ static int vpu_session_send_cmd(struct vpu_inst *inst, u32 id, void *data) { unsigned long key; int sync = false; - int ret = -EINVAL; + int ret; if (inst->id < 0) return -EINVAL; diff --git a/drivers/media/platform/amphion/vpu_core.c b/drivers/media/platform/amphion/vpu_core.c index 43d85a54268b..6f054700d5db 100644 --- a/drivers/media/platform/amphion/vpu_core.c +++ b/drivers/media/platform/amphion/vpu_core.c @@ -88,6 +88,8 @@ static int vpu_core_boot_done(struct vpu_core *core) core->supported_instance_count = min(core->supported_instance_count, count); } + if (core->supported_instance_count >= BITS_PER_TYPE(core->instance_mask)) + core->supported_instance_count = BITS_PER_TYPE(core->instance_mask); core->fw_version = fw_version; vpu_core_set_state(core, VPU_CORE_ACTIVE); diff --git a/drivers/media/platform/amphion/vpu_dbg.c b/drivers/media/platform/amphion/vpu_dbg.c index adc523b95061..982c2c777484 100644 --- a/drivers/media/platform/amphion/vpu_dbg.c +++ b/drivers/media/platform/amphion/vpu_dbg.c @@ -50,6 +50,13 @@ static char *vpu_stat_name[] = { [VPU_BUF_STATE_ERROR] = "error", }; +static inline const char *to_vpu_stat_name(int state) +{ + if (state <= VPU_BUF_STATE_ERROR) + return vpu_stat_name[state]; + return "unknown"; +} + static int vpu_dbg_instance(struct seq_file *s, void *data) { struct vpu_inst *inst = s->private; @@ -141,7 +148,7 @@ static int vpu_dbg_instance(struct seq_file *s, void *data) num = scnprintf(str, sizeof(str), "output [%2d] state = %10s, %8s\n", i, vb2_stat_name[vb->state], - vpu_stat_name[vpu_get_buffer_state(vbuf)]); + to_vpu_stat_name(vpu_get_buffer_state(vbuf))); if (seq_write(s, str, num)) return 0; } @@ -156,7 +163,7 @@ static int vpu_dbg_instance(struct seq_file *s, void *data) num = scnprintf(str, sizeof(str), "capture[%2d] state = %10s, %8s\n", i, vb2_stat_name[vb->state], - vpu_stat_name[vpu_get_buffer_state(vbuf)]); + to_vpu_stat_name(vpu_get_buffer_state(vbuf))); if (seq_write(s, str, num)) return 0; } diff --git a/drivers/media/platform/amphion/vpu_msgs.c b/drivers/media/platform/amphion/vpu_msgs.c index f9eb488d1b5e..d0ead051f7d1 100644 --- a/drivers/media/platform/amphion/vpu_msgs.c +++ b/drivers/media/platform/amphion/vpu_msgs.c @@ -32,7 +32,7 @@ static void vpu_session_handle_start_done(struct vpu_inst *inst, struct vpu_rpc_ static void vpu_session_handle_mem_request(struct vpu_inst *inst, struct vpu_rpc_event *pkt) { - struct vpu_pkt_mem_req_data req_data; + struct vpu_pkt_mem_req_data req_data = { 0 }; vpu_iface_unpack_msg_data(inst->core, pkt, (void *)&req_data); vpu_trace(inst->dev, "[%d] %d:%d %d:%d %d:%d\n", @@ -80,7 +80,7 @@ static void vpu_session_handle_resolution_change(struct vpu_inst *inst, struct v static void vpu_session_handle_enc_frame_done(struct vpu_inst *inst, struct vpu_rpc_event *pkt) { - struct vpu_enc_pic_info info; + struct vpu_enc_pic_info info = { 0 }; vpu_iface_unpack_msg_data(inst->core, pkt, (void *)&info); dev_dbg(inst->dev, "[%d] frame id = %d, wptr = 0x%x, size = %d\n", @@ -90,7 +90,7 @@ static void vpu_session_handle_enc_frame_done(struct vpu_inst *inst, struct vpu_ static void vpu_session_handle_frame_request(struct vpu_inst *inst, struct vpu_rpc_event *pkt) { - struct vpu_fs_info fs; + struct vpu_fs_info fs = { 0 }; vpu_iface_unpack_msg_data(inst->core, pkt, &fs); call_void_vop(inst, event_notify, VPU_MSG_ID_FRAME_REQ, &fs); @@ -107,7 +107,7 @@ static void vpu_session_handle_frame_release(struct vpu_inst *inst, struct vpu_r info.type = inst->out_format.type; call_void_vop(inst, buf_done, &info); } else if (inst->core->type == VPU_CORE_TYPE_DEC) { - struct vpu_fs_info fs; + struct vpu_fs_info fs = { 0 }; vpu_iface_unpack_msg_data(inst->core, pkt, &fs); call_void_vop(inst, event_notify, VPU_MSG_ID_FRAME_RELEASE, &fs); @@ -122,7 +122,7 @@ static void vpu_session_handle_input_done(struct vpu_inst *inst, struct vpu_rpc_ static void vpu_session_handle_pic_decoded(struct vpu_inst *inst, struct vpu_rpc_event *pkt) { - struct vpu_dec_pic_info info; + struct vpu_dec_pic_info info = { 0 }; vpu_iface_unpack_msg_data(inst->core, pkt, (void *)&info); call_void_vop(inst, get_one_frame, &info); @@ -130,7 +130,7 @@ static void vpu_session_handle_pic_decoded(struct vpu_inst *inst, struct vpu_rpc static void vpu_session_handle_pic_done(struct vpu_inst *inst, struct vpu_rpc_event *pkt) { - struct vpu_dec_pic_info info; + struct vpu_dec_pic_info info = { 0 }; struct vpu_frame_info frame; memset(&frame, 0, sizeof(frame));