CMSIS-DSP: Prevent off-by-one access past end of y-data buffer in f32 linear interpolation

7 years ago · a5b854594b
parent d3170304e1
commit a5b854594b
1 changed files with 1 additions and 1 deletions
--- a/Include/arm_math.h
+++ b/Include/arm_math.h
@ -5555,7 +5555,7 @@ __STATIC_FORCEINLINE void arm_inv_park_q31(
      /* Iniatilize output for below specified range as least output value of table */
      y = pYData[0];
    }
-    else if ((uint32_t)i >= S->nValues)
+    else if ((uint32_t)i >= (S->nValues - 1))
    {
      /* Iniatilize output for above specified range as last output value of table */
      y = pYData[S->nValues - 1];