Hi,
On 9/30/20 3:36 AM, matthias.bgg@xxxxxxxxxx wrote:
> --- a/kexec/arch/arm64/include/arch/options.h
> +++ b/kexec/arch/arm64/include/arch/options.h
>
> +static uint64_t find_purgatory_sink(const char *console)
> +{
> + int fd, ret;
> + char device[255], mem[255];
> + struct stat sb;
> + char buffer[10];
> + uint64_t iomem = 0x0;
> +
> + if (!console)
> + return 0;
> +
> + ret = snprintf(device, sizeof(device), "/sys/class/tty/%s", console);
> + if (ret < 0 || ret >= sizeof(device)) {
> + fprintf(stderr, "snprintf failed: %s\n", strerror(errno));
> + return 0;
> + }
> +
> + if (stat(device, &sb) || !S_ISDIR(sb.st_mode)) {
> + fprintf(stderr, "kexec: %s: No valid console found for %s\n",
> + __func__, device);
> + return 0;
> + }
> +
> + snprintf(mem, sizeof(mem), "%s%s", device, "/iomem_base");
> + if (ret < 0 || ret >= sizeof(mem)) {
Seems this is is just doing the same check again...
> + fprintf(stderr, "snprintf failed: %s\n", strerror(errno));
> + return 0;
> + }
-Geoff
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