decoder: checked init state before reads the vdec status. [1/1]

PD#SWPL-2142

Problem:
the kernel maybe crash when swicthed the src channel

Solution:
checked init state before reads the vdec status

Verify:
p321

Change-Id: I3b9fc2128615c5b6151915baecb0516a7ebca2f4
Signed-off-by: Nanxin Qin <nanxin.qin@amlogic.com>

drivers/amlogic/media_modules/frame_provider/decoder/avs/avs.c

@@ -779,6 +779,9 @@ static void vavs_vf_put(struct vframe_s *vf, void *op_arg)
 
 int vavs_dec_status(struct vdec_s *vdec, struct vdec_info *vstatus)
 {
+	if (!(stat & STAT_VDEC_RUN))
+		return 0;
+
 	vstatus->frame_width = frame_width;
 	vstatus->frame_height = frame_height;
 	if (frame_dur != 0)

drivers/amlogic/media_modules/frame_provider/decoder/avs2/vavs2.c

@@ -5443,6 +5443,10 @@ int vavs2_dec_status(struct vdec_s *vdec, struct vdec_info *vstatus)
 {
 	struct AVS2Decoder_s *dec =
 		(struct AVS2Decoder_s *)vdec->private;
+
+	if (!dec || !(dec->stat & STAT_VDEC_RUN))
+		return -1;
+
 	vstatus->frame_width = dec->frame_width;
 	vstatus->frame_height = dec->frame_height;
 

drivers/amlogic/media_modules/frame_provider/decoder/h264/vh264.c

@@ -2263,6 +2263,9 @@ exit:
 
 int vh264_dec_status(struct vdec_s *vdec, struct vdec_info *vstatus)
 {
+	if (!(stat & STAT_VDEC_RUN))
+		return -1;
+
 	vstatus->frame_width = frame_width;
 	vstatus->frame_height = frame_height;
 	if (frame_dur != 0)

drivers/amlogic/media_modules/frame_provider/decoder/h264_multi/vmh264.c

@@ -5237,6 +5237,10 @@ static void check_timer_func(unsigned long arg)
 static int dec_status(struct vdec_s *vdec, struct vdec_info *vstatus)
 {
 	struct vdec_h264_hw_s *hw = (struct vdec_h264_hw_s *)vdec->private;
+
+	if (!hw || !(hw->stat & STAT_VDEC_RUN))
+		return -1;
+
 	vstatus->frame_width = hw->frame_width;
 	vstatus->frame_height = hw->frame_height;
 	if (hw->frame_dur != 0)

drivers/amlogic/media_modules/frame_provider/decoder/h265/vh265.c

@@ -9078,6 +9078,9 @@ int vh265_dec_status(struct vdec_info *vstatus)
 #else
 	struct hevc_state_s *hevc = gHevc;
 #endif
+	if (!hevc || !(hevc->stat & STAT_VDEC_RUN))
+		return -1;
+
 	vstatus->frame_width = hevc->frame_width;
 	vstatus->frame_height = hevc->frame_height;
 	if (hevc->frame_dur != 0)

drivers/amlogic/media_modules/frame_provider/decoder/mjpeg/vmjpeg.c

@@ -418,6 +418,9 @@ static void vmjpeg_put_timer_func(unsigned long arg)
 
 int vmjpeg_dec_status(struct vdec_s *vdec, struct vdec_info *vstatus)
 {
+	if (!(stat & STAT_VDEC_RUN))
+		return -1;
+
 	vstatus->frame_width = frame_width;
 	vstatus->frame_height = frame_height;
 	if (0 != frame_dur)

drivers/amlogic/media_modules/frame_provider/decoder/mjpeg/vmjpeg_multi.c

@@ -384,6 +384,10 @@ static int vmjpeg_vf_states(struct vframe_states *states, void *op_arg)
 static int vmjpeg_dec_status(struct vdec_s *vdec, struct vdec_info *vstatus)
 {
 	struct vdec_mjpeg_hw_s *hw = (struct vdec_mjpeg_hw_s *)vdec->private;
+
+	if (!hw || !(hw->stat & STAT_VDEC_RUN))
+		return -1;
+
 	vstatus->frame_width = hw->frame_width;
 	vstatus->frame_height = hw->frame_height;
 	if (0 != hw->frame_dur)

drivers/amlogic/media_modules/frame_provider/decoder/mpeg12/vmpeg12.c

@@ -1362,6 +1362,9 @@ static void vmpeg_put_timer_func(unsigned long arg)
 
 int vmpeg12_dec_status(struct vdec_s *vdec, struct vdec_info *vstatus)
 {
+	if (!(stat & STAT_VDEC_RUN))
+		return -1;
+
 	vstatus->frame_width = frame_width;
 	vstatus->frame_height = frame_height;
 	if (frame_dur != 0)

drivers/amlogic/media_modules/frame_provider/decoder/mpeg12/vmpeg12_multi.c

@@ -1084,8 +1084,10 @@ static int vmmpeg12_dec_status(struct vdec_s *vdec, struct vdec_info *vstatus)
 {
 	struct vdec_mpeg12_hw_s *hw =
 	(struct vdec_mpeg12_hw_s *)vdec->private;
-	if (!hw)
-		return 0;
+
+	if (!hw || !(hw->stat & STAT_VDEC_RUN))
+		return -1;
+
 	vstatus->frame_width = hw->frame_width;
 	vstatus->frame_height = hw->frame_height;
 	if (hw->frame_dur != 0)

drivers/amlogic/media_modules/frame_provider/decoder/mpeg4/vmpeg4.c

@@ -740,8 +740,9 @@ static void vmpeg_put_timer_func(unsigned long arg)
 
 int vmpeg4_dec_status(struct vdec_s *vdec, struct vdec_info *vstatus)
 {
-	if (NULL == gvs)
+	if (!(stat & STAT_VDEC_RUN))
 		return -1;
+
 	vstatus->frame_width = vmpeg4_amstream_dec_info.width;
 	vstatus->frame_height = vmpeg4_amstream_dec_info.height;
 	if (0 != vmpeg4_amstream_dec_info.rate)

drivers/amlogic/media_modules/frame_provider/decoder/mpeg4/vmpeg4_multi.c

@@ -1039,8 +1039,10 @@ static int  vmpeg_vf_states(struct vframe_states *states, void *op_arg)
 static int dec_status(struct vdec_s *vdec, struct vdec_info *vstatus)
 {
 	struct vdec_mpeg4_hw_s *hw = (struct vdec_mpeg4_hw_s *)vdec->private;
-	if (NULL == hw)
+
+	if (!hw || !(hw->stat & STAT_VDEC_RUN))
 		return -1;
+
 	vstatus->frame_width = hw->vmpeg4_amstream_dec_info.width;
 	vstatus->frame_height = hw->vmpeg4_amstream_dec_info.height;
 	if (0 != hw->vmpeg4_amstream_dec_info.rate)

drivers/amlogic/media_modules/frame_provider/decoder/real/vreal.c

@@ -519,6 +519,9 @@ static void vreal_put_timer_func(unsigned long arg)
 
 int vreal_dec_status(struct vdec_s *vdec, struct vdec_info *vstatus)
 {
+	if (!(stat & STAT_VDEC_RUN))
+		return -1;
+
 	vstatus->frame_width = vreal_amstream_dec_info.width;
 	vstatus->frame_height = vreal_amstream_dec_info.height;
 	if (0 != vreal_amstream_dec_info.rate)

drivers/amlogic/media_modules/frame_provider/decoder/vc1/vvc1.c

@@ -721,6 +721,9 @@ static int vvc1_event_cb(int type, void *data, void *private_data)
 
 int vvc1_dec_status(struct vdec_s *vdec, struct vdec_info *vstatus)
 {
+	if (!(stat & STAT_VDEC_RUN))
+		return -1;
+
 	vstatus->frame_width = vvc1_amstream_dec_info.width;
 	vstatus->frame_height = vvc1_amstream_dec_info.height;
 	if (vvc1_amstream_dec_info.rate != 0)

drivers/amlogic/media_modules/frame_provider/decoder/vp9/vvp9.c

@@ -7742,6 +7742,10 @@ int vvp9_dec_status(struct vdec_s *vdec, struct vdec_info *vstatus)
 {
 	struct VP9Decoder_s *vp9 =
 		(struct VP9Decoder_s *)vdec->private;
+
+	if (!vp9 || !(vp9->stat & STAT_VDEC_RUN))
+		return -1;
+
 	vstatus->frame_width = frame_width;
 	vstatus->frame_height = frame_height;
 	if (vp9->frame_dur != 0)