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-rw-r--r--mysys/my_chsize.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mysys/my_chsize.c b/mysys/my_chsize.c
index 9760de29a08..fe0d0ffa607 100644
--- a/mysys/my_chsize.c
+++ b/mysys/my_chsize.c
@@ -46,7 +46,9 @@ int my_chsize(File fd, my_off_t newlength, int filler, myf MyFlags)
DBUG_PRINT("my",("fd: %d length: %lu MyFlags: %d",fd,(ulong) newlength,
MyFlags));
- oldsize = my_seek(fd, 0L, MY_SEEK_END, MYF(MY_WME+MY_FAE));
+ if ((oldsize = my_seek(fd, 0L, MY_SEEK_END, MYF(MY_WME+MY_FAE))) == newlength)
+ DBUG_RETURN(0);
+
DBUG_PRINT("info",("old_size: %ld", (ulong) oldsize));
if (oldsize > newlength)