Merge commit 'a1c525f7eb0783d31ba7a653865b6cbd3dc880de'

* commit 'a1c525f7eb0783d31ba7a653865b6cbd3dc880de':
  pcx: return meaningful error codes.
  tmv: return meaningful error codes.
  msrle: return meaningful error codes.
  cscd: return meaningful error codes.
  yadif: x86: fix build for compilers without aligned stack
  lavc: introduce the convenience function init_get_bits8
  lavc: check for overflow in init_get_bits

Conflicts:
	libavcodec/cscd.c
	libavcodec/pcx.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 4 insertions, 3 deletions

diff --git a/libavcodec/msrle.c b/libavcodec/msrle.c
index 5b7ba7fdad..5c1fb5c32a 100644
--- a/libavcodec/msrle.c
+++ b/libavcodec/msrle.c
@@ -67,7 +67,7 @@ static av_cold int msrle_decode_init(AVCodecContext *avctx)
         break;
     default:
         av_log(avctx, AV_LOG_ERROR, "unsupported bits per sample\n");
-        return -1;
+        return AVERROR_INVALIDDATA;
     }
 
     avcodec_get_frame_defaults(&s->frame);
@@ -88,15 +88,16 @@ static int msrle_decode_frame(AVCodecContext *avctx,
     int buf_size = avpkt->size;
     MsrleContext *s = avctx->priv_data;
     int istride = FFALIGN(avctx->width*avctx->bits_per_coded_sample, 32) / 8;
+    int ret;
 
     s->buf = buf;
     s->size = buf_size;
 
     s->frame.reference = 3;
     s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE;
-    if (avctx->reget_buffer(avctx, &s->frame)) {
+    if ((ret = avctx->reget_buffer(avctx, &s->frame)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
-        return -1;
+        return ret;
     }
 
     if (avctx->bits_per_coded_sample > 1 && avctx->bits_per_coded_sample <= 8) {