jpeg: Fix an overflow when decoding images for non-color targets.

(Warning raised by GCC 4.9.4 -Os)

Change-Id: I1d2f491c8bdb11fe89ffb119e248ca0f4eb69de2

1 files changed, 8 insertions, 1 deletions

diff --git a/apps/recorder/jpeg_load.c b/apps/recorder/jpeg_load.c
index e326d1c18a..61ec3bfa0e 100644
--- a/apps/recorder/jpeg_load.c
+++ b/apps/recorder/jpeg_load.c
@@ -1541,7 +1541,14 @@ INLINE void fix_huff_tables(struct jpeg *p_jpeg)
 INLINE void fix_quant_tables(struct jpeg *p_jpeg)
 {
     int shift, i, j;
-    for (i = 0; i < 2; i++)
+
+#ifdef HAVE_LCD_COLOR
+    const int k = 2;
+#else
+    const int k = 1;
+#endif
+
+    for (i = 0; i < k; i++)
     {
         shift = idct_tbl[p_jpeg->v_scale[i]].scale;
         if (shift)