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hw/mips/boston: Fix load_elf() error detection 

load_elf() gives negative return in case of error, not zero.

Fixes: 10e3f30ff7 ("hw/mips/boston: Allow loading elf kernel and dtb")
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211130211729.7116-3-jiaxun.yang@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Jiaxun Yang 2021-11-30 21:17:29 +00:00 committed by Philippe Mathieu-Daudé
parent 24ade8c5de
commit d77c462bf2
1 changed files with 3 additions and 2 deletions
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5
hw/mips/boston.c
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@ -777,14 +777,15 @@ static void boston_mach_init(MachineState *machine)
exit(1);
}
} else if (machine->kernel_filename) {
uint64_t kernel_entry, kernel_high, kernel_size;
uint64_t kernel_entry, kernel_high;
ssize_t kernel_size;
kernel_size = load_elf(machine->kernel_filename, NULL,
cpu_mips_kseg0_to_phys, NULL,
&kernel_entry, NULL, &kernel_high,
NULL, 0, EM_MIPS, 1, 0);
if (kernel_size) {
if (kernel_size > 0) {
int dt_size;
g_autofree const void *dtb_file_data, *dtb_load_data;
hwaddr dtb_paddr = QEMU_ALIGN_UP(kernel_high, 64 * KiB);