avcodec: v4l2_m2m: fix races around freeing data on close

[ffmpeg] / libavcodec / vaapi_mpeg4.c

diff --git a/libavcodec/vaapi_mpeg4.c b/libavcodec/vaapi_mpeg4.c
index 3fe029186e8fd39ebb0baf709cb82a4bf7835955..11860ff74742897115340017bfcc21c5c331c0f6 100644 (file)
--- a/libavcodec/vaapi_mpeg4.c
+++ b/libavcodec/vaapi_mpeg4.c
@@ -178,7 +178,7 @@ static int vaapi_mpeg4_decode_slice(AVCodecContext *avctx, const uint8_t *buffer
 }
 
 #if CONFIG_MPEG4_VAAPI_HWACCEL
-AVHWAccel ff_mpeg4_vaapi_hwaccel = {
+const AVHWAccel ff_mpeg4_vaapi_hwaccel = {
     .name                 = "mpeg4_vaapi",
     .type                 = AVMEDIA_TYPE_VIDEO,
     .id                   = AV_CODEC_ID_MPEG4,
@@ -196,7 +196,7 @@ AVHWAccel ff_mpeg4_vaapi_hwaccel = {
 #endif
 
 #if CONFIG_H263_VAAPI_HWACCEL
-AVHWAccel ff_h263_vaapi_hwaccel = {
+const AVHWAccel ff_h263_vaapi_hwaccel = {
     .name                 = "h263_vaapi",
     .type                 = AVMEDIA_TYPE_VIDEO,
     .id                   = AV_CODEC_ID_H263,