fixed bskip usage

diff --git a/images/io-libjpeg.c b/images/io-libjpeg.c
index 00d1419d33220c2ce838dd3fea1704da0723f530..e8714458f26b659ffd341e3477d8b129de5961d8 100644 (file)
--- a/images/io-libjpeg.c
+++ b/images/io-libjpeg.c
@@ -135,7 +135,7 @@ libjpeg_skip_input_data(j_decompress_ptr cinfo, long num_bytes)
         {
          num_bytes -= i->src.bytes_in_buffer;
          libjpeg_fastbuf_read_commit(i);
-         if (bskip(i->fastbuf, num_bytes) < num_bytes)
+         if (!bskip(i->fastbuf, num_bytes))
            {
              IMAGE_ERROR(i->err.io->context, IMAGE_ERROR_READ_FAILED, "Incomplete JPEG file");
              longjmp(i->err.setjmp_buf, 1);