diff options
author | Alistair Francis <alistair.francis@xilinx.com> | 2018-01-22 11:43:16 -0800 |
---|---|---|
committer | Edgar E. Iglesias <edgar.iglesias@xilinx.com> | 2018-01-26 11:09:02 +0100 |
commit | d4c6d3600beab8b976f373f6e5b68066e9b9fdaa (patch) | |
tree | 6de2600624ec739de466148afc8696bf78cebf20 /hw/microblaze/boot.c | |
parent | 2077fef91d5eb8e3745a84fabd87a5ee7d2b535d (diff) |
microblaze: boot.c: Don't try to find NULL file
Previously if no device tree was passed to microblaze_load_kernel() then
qemu_find_file() would try to find a NULL pointer. To avoid this put a
check around qemu_find_file().
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Diffstat (limited to 'hw/microblaze/boot.c')
-rw-r--r-- | hw/microblaze/boot.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/microblaze/boot.c b/hw/microblaze/boot.c index 457a08a2fe..35bfeda7aa 100644 --- a/hw/microblaze/boot.c +++ b/hw/microblaze/boot.c @@ -124,7 +124,7 @@ void microblaze_load_kernel(MicroBlazeCPU *cpu, hwaddr ddr_base, kernel_cmdline = qemu_opt_get(machine_opts, "append"); dtb_arg = qemu_opt_get(machine_opts, "dtb"); /* default to pcbios dtb as passed by machine_init */ - if (!dtb_arg) { + if (!dtb_arg && dtb_filename) { filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, dtb_filename); } |