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-rw-r--r--firmware/id3.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/firmware/id3.c b/firmware/id3.c
index 3f2ba23684..5dfb3fbe50 100644
--- a/firmware/id3.c
+++ b/firmware/id3.c
@@ -1000,7 +1000,11 @@ static int getsonglength(int fd, struct mp3entry *entry)
1000 1000
1001 if(filetime == 0) 1001 if(filetime == 0)
1002 { 1002 {
1003 filetime = (entry->filesize - bytecount) / (info.bitrate / 8); 1003 /* Prevent a division by zero */
1004 if (info.bitrate < 8)
1005 filetime = 0;
1006 else
1007 filetime = (entry->filesize - bytecount) / (info.bitrate / 8);
1004 /* bitrate is in kbps so this delivers milliseconds. Doing bitrate / 8 1008 /* bitrate is in kbps so this delivers milliseconds. Doing bitrate / 8
1005 * instead of filesize * 8 is exact, because mpeg audio bitrates are 1009 * instead of filesize * 8 is exact, because mpeg audio bitrates are
1006 * always multiples of 8, and it avoids overflows. */ 1010 * always multiples of 8, and it avoids overflows. */