Mesa (master): r600: Assert pointer is not null before dereferencing.

[Vinson Lee]

Module: Mesa
Branch: master
Commit: 226d98173886e9e26337d6e9593b2b561c8cb758
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=226d98173886e9e26337d6e9593b2b561c8cb758

Author: Vinson Lee <vlee at vmware.com>
Date:   Sat Feb 27 01:52:46 2010 -0800

r600: Assert pointer is not null before dereferencing.

---

 src/mesa/drivers/dri/r600/r700_assembler.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/r600/r700_assembler.c b/src/mesa/drivers/dri/r600/r700_assembler.c
index 8344dd9..834bcc6 100644
--- a/src/mesa/drivers/dri/r600/r700_assembler.c
+++ b/src/mesa/drivers/dri/r600/r700_assembler.c
@@ -1746,18 +1746,21 @@ GLboolean assemble_alu_src(R700ALUInstruction*  alu_instruction_ptr,
     switch (source_index) 
     {
         case 0:
+            assert(alu_instruction_ptr);
             alu_instruction_ptr->m_Word0.f.src0_sel  = src_sel;
             alu_instruction_ptr->m_Word0.f.src0_rel  = src_rel;
             alu_instruction_ptr->m_Word0.f.src0_chan = src_chan;
             alu_instruction_ptr->m_Word0.f.src0_neg  = src_neg;
             break;
         case 1:
+            assert(alu_instruction_ptr);
             alu_instruction_ptr->m_Word0.f.src1_sel  = src_sel;
             alu_instruction_ptr->m_Word0.f.src1_rel  = src_rel;
             alu_instruction_ptr->m_Word0.f.src1_chan = src_chan;
             alu_instruction_ptr->m_Word0.f.src1_neg  = src_neg;
             break;
         case 2:
+            assert(alu_instruction_ptr);
             alu_instruction_ptr->m_Word1_OP3.f.src2_sel  = src_sel;
             alu_instruction_ptr->m_Word1_OP3.f.src2_rel  = src_rel;
             alu_instruction_ptr->m_Word1_OP3.f.src2_chan = src_chan;