[PATCH v1 1/1] hw/riscv/boot: Check the error of fdt_pack()

[Alistair Francis]

Coverity reports that we don't check the error result of fdt_pack(), so
let's save the result and assert that it is 0.

Fixes: Coverity CID 1458136
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
 hw/riscv/boot.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c
index 0d38bb7426..25406a3f67 100644
--- a/hw/riscv/boot.c
+++ b/hw/riscv/boot.c
@@ -182,7 +182,7 @@ uint32_t riscv_load_fdt(hwaddr dram_base, uint64_t 
mem_size, void *fdt)
 {
     uint32_t temp, fdt_addr;
     hwaddr dram_end = dram_base + mem_size;
-    int fdtsize = fdt_totalsize(fdt);
+    int ret, fdtsize = fdt_totalsize(fdt);
 
     if (fdtsize <= 0) {
         error_report("invalid device-tree");
@@ -198,7 +198,8 @@ uint32_t riscv_load_fdt(hwaddr dram_base, uint64_t 
mem_size, void *fdt)
     temp = MIN(dram_end, 3072 * MiB);
     fdt_addr = QEMU_ALIGN_DOWN(temp - fdtsize, 16 * MiB);
 
-    fdt_pack(fdt);
+    ret = fdt_pack(fdt);
+    g_assert(ret == 0);
     /* copy in the device tree */
     qemu_fdt_dumpdtb(fdt, fdtsize);
 
-- 
2.31.1