[FFmpeg-cvslog] avformat/jacosubdec: Fix unintended fallthrough

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at gmail.com> | Thu Oct 29 13:36:22 2020 +0100| [11ea0ed20e11dd1b19af6e23eceabce7ec76f70d] | committer: Andreas Rheinhardt

avformat/jacosubdec: Fix unintended fallthrough

Regression since 715ff75e5dbbbefff7337351db596a9b7a5d4379.

Fixes Coverity issues #1468654 and #1468656.

Reviewed-by: Michael Niedermayer <michael at niedermayer.cc>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=11ea0ed20e11dd1b19af6e23eceabce7ec76f70d
---

 libavformat/jacosubdec.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/libavformat/jacosubdec.c b/libavformat/jacosubdec.c
index e70ceeaafd..14221b166c 100644
--- a/libavformat/jacosubdec.c
+++ b/libavformat/jacosubdec.c
@@ -148,9 +148,15 @@ static int get_shift(int timeres, const char *buf)
 
     ret = 0;
     switch (n) {
-    case 4: ret = sign * (((int64_t)a*3600 + b*60 + c) * timeres + d);
-    case 3: ret = sign * ((         (int64_t)a*60 + b) * timeres + c);
-    case 2: ret = sign * ((                (int64_t)a) * timeres + b);
+    case 4:
+        ret = sign * (((int64_t)a*3600 + b*60 + c) * timeres + d);
+        break;
+    case 3:
+        ret = sign * ((         (int64_t)a*60 + b) * timeres + c);
+        break;
+    case 2:
+        ret = sign * ((                (int64_t)a) * timeres + b);
+        break;
     }
     if ((int)ret != ret)
         ret = 0;