* io.c (io_unread): fixed memory leak. report by nagachika via IRC.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35152 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/io.c b/io.c
index d569e4d8d7..fac42c710b 100644
--- a/io.c
+++ b/io.c
@@ -473,6 +473,7 @@ io_unread(rb_io_t *fptr)
 	}
 	read_size = _read(fptr->fd, buf, fptr->rbuf.len + newlines);
 	if (read_size < 0) {
+	    free(buf);
 	    rb_sys_fail_path(fptr->pathv);
 	}
 	if (read_size == fptr->rbuf.len) {
@@ -483,6 +484,7 @@ io_unread(rb_io_t *fptr)
 	    newlines--;
 	}
     }
+    free(buf);
     fptr->rbuf.off = 0;
     fptr->rbuf.len = 0;
     return;