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matrix_4x4_multiply - add early return to prevent null

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pointer dereferences
This commit is contained in:
twinaphex 2016-09-07 00:57:05 +02:00
parent 270593990b
commit 2080301088
1 changed files with 3 additions and 0 deletions
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3
libretro-common/gfx/math/matrix_4x4.c
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@ -186,6 +186,9 @@ void matrix_4x4_multiply(
unsigned r, c, k; unsigned r, c, k;
math_matrix_4x4 mat; math_matrix_4x4 mat;
if (!out || !a || !b)
return;
for (r = 0; r < 4; r++) for (r = 0; r < 4; r++)
{ {
for (c = 0; c < 4; c++) for (c = 0; c < 4; c++)