fix double free on error

diff --git a/ext/standard/file.c b/ext/standard/file.c
index 6188272c7dd2d50bf405c3e5f9a312902effc1b0..b7800456a3667235dd9dbdf9c7db7be8ce0b9425 100644 (file)
--- a/ext/standard/file.c
+++ b/ext/standard/file.c
@@ -1062,7 +1062,6 @@ PHP_FUNCTION(popen)
        fp = VCWD_POPEN(command, posix_mode);
        if (!fp) {
                php_error_docref2(NULL TSRMLS_CC, command, mode, E_WARNING, "%s", strerror(errno));
-               efree(posix_mode);
                RETVAL_FALSE;
        } else {
                php_stream *stream = php_stream_fopen_from_pipe(fp, mode);