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qfw: return failure when no kernel could be loaded

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When we try to load a kernel via the QEMU firmware device, we currently
"return -1;" if no kernel was specified on the QEMU command line. This
leads to the usage output, which is confusing (since nothing on the
command line was really wrong), but also somewhat hides the actual error
message.

Return CMD_RET_FAILURE (1), as it's a proper error, and make the message
more clear that this is not only a "warning".

This helps to call this command in boot scripts, and to gracefully
continue if this doesn't work.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
This commit is contained in:
Andre Przywara 2022-10-10 18:01:21 +01:00 committed by Tom Rini
parent 163fb37669
commit 2f6c45eb68
1 changed files with 2 additions and 2 deletions
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4
cmd/qfw.c
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@ -26,8 +26,8 @@ static int qemu_fwcfg_cmd_setup_kernel(void *load_addr, void *initrd_addr)
qfw_read_entry(qfw_dev, FW_CFG_KERNEL_SIZE, 4, &kernel_size);
if (kernel_size == 0) {
printf("warning: no kernel available\n");
return -1;
printf("fatal: no kernel available\n");
return CMD_RET_FAILURE;
}
data_addr = load_addr;