From 33451b1c86202847cf9fdc95f21ecbfdebdd5426 Mon Sep 17 00:00:00 2001 From: Nicolai Hähnle Date: Fri, 29 Apr 2016 23:41:59 -0500 Subject: radeonsi: fix undefined behavior (memcpy arguments must be non-NULL) --- src/gallium/drivers/radeonsi/si_state_shaders.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c index 52b9851e01..0bfd7e8d11 100644 --- a/src/gallium/drivers/radeonsi/si_state_shaders.c +++ b/src/gallium/drivers/radeonsi/si_state_shaders.c @@ -63,7 +63,9 @@ static void *si_get_tgsi_binary(struct si_shader_selector *sel) /** Copy "data" to "ptr" and return the next dword following copied data. */ static uint32_t *write_data(uint32_t *ptr, const void *data, unsigned size) { - memcpy(ptr, data, size); + /* data may be NULL if size == 0 */ + if (size) + memcpy(ptr, data, size); ptr += DIV_ROUND_UP(size, 4); return ptr; } -- cgit v1.2.3