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hw/riscv/boot: Check the error of fdt_pack()
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> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Message-id: 07325315b49d5555269f76094e4bc5296e0643b9.1626303527.git.alistair.francis@wdc.com
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@ -182,7 +182,7 @@ uint32_t riscv_load_fdt(hwaddr dram_base, uint64_t mem_size, void *fdt)
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{
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uint32_t temp, fdt_addr;
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hwaddr dram_end = dram_base + mem_size;
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int fdtsize = fdt_totalsize(fdt);
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int ret, fdtsize = fdt_totalsize(fdt);
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if (fdtsize <= 0) {
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error_report("invalid device-tree");
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@ -198,7 +198,9 @@ uint32_t riscv_load_fdt(hwaddr dram_base, uint64_t mem_size, void *fdt)
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temp = MIN(dram_end, 3072 * MiB);
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fdt_addr = QEMU_ALIGN_DOWN(temp - fdtsize, 16 * MiB);
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fdt_pack(fdt);
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ret = fdt_pack(fdt);
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/* Should only fail if we've built a corrupted tree */
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g_assert(ret == 0);
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/* copy in the device tree */
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qemu_fdt_dumpdtb(fdt, fdtsize);
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