Hi Ming, Le lundi 17 juillet 2023 à 15:40 +0800, Ming Qian a écrit : > CHECKED_RETURN: 4 case > REVERSE_INULL: 2 case > UNINIT: 6 case > UNUSED_VALUE: 1 case > > Fixes: 9f599f351e86 ("media: amphion: add vpu core driver") > Signed-off-by: Ming Qian <ming.qian@xxxxxxx> > --- > drivers/media/platform/amphion/vdec.c | 5 ++++- > drivers/media/platform/amphion/venc.c | 6 ++++-- > drivers/media/platform/amphion/vpu_cmds.c | 5 +++-- > drivers/media/platform/amphion/vpu_core.c | 2 ++ > drivers/media/platform/amphion/vpu_dbg.c | 11 +++++++++-- > drivers/media/platform/amphion/vpu_msgs.c | 12 ++++++------ > 6 files changed, 28 insertions(+), 13 deletions(-) > > diff --git a/drivers/media/platform/amphion/vdec.c b/drivers/media/platform/amphion/vdec.c > index eeb2ef72df5b..133d77d1ea0c 100644 > --- a/drivers/media/platform/amphion/vdec.c > +++ b/drivers/media/platform/amphion/vdec.c > @@ -1019,6 +1019,7 @@ static int vdec_response_frame_abnormal(struct vpu_inst *inst) > { > struct vdec_t *vdec = inst->priv; > 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; Could be just me, but I feel I'm missing some context to understand why this change. Perhaps the commit message could be improved ? All other changes looks like improvement to me, so with a good explanation on this one (and the change seems to be equivalent), you can add: Reviewed-by: Nicolas Dufresne <nicolas.dufresne@xxxxxxxxxxxxx> > > 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));