Fixes "Overflowed return value" defects reported by Coverity.
Signed-off-by: Vinson Lee <[email protected]>
---
src/gallium/drivers/r600/r600_isa.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/src/gallium/drivers/r600/r600_isa.h
b/src/gallium/drivers/r600/r600_isa.h
index c6bb869..5b9c3d0 100644
--- a/src/gallium/drivers/r600/r600_isa.h
+++ b/src/gallium/drivers/r600/r600_isa.h
@@ -1210,6 +1210,9 @@ r600_isa_alu_by_opcode(struct r600_isa* isa, unsigned
opcode, unsigned is_op3) {
op = isa->alu_op2_map[opcode];
}
assert(op);
+ if (!op) {
+ return 0;
+ }
return op - 1;
}
@@ -1219,6 +1222,9 @@ r600_isa_fetch_by_opcode(struct r600_isa* isa, unsigned
opcode) {
assert(isa->fetch_map);
op = isa->fetch_map[opcode];
assert(op);
+ if (!op) {
+ return 0;
+ }
return op - 1;
}
@@ -1230,6 +1236,9 @@ r600_isa_cf_by_opcode(struct r600_isa* isa, unsigned
opcode, unsigned is_alu) {
* CF opcodes (they use different encoding in hw) */
op = isa->cf_map[is_alu ? opcode + 0x80 : opcode];
assert(op);
+ if (!op) {
+ return 0;
+ }
return op - 1;
}
--
1.8.3.1
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