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40c4e68)
Signed-off-by: John Crispin <blogic@openwrt.org>
void watchdog_ping(void)
{
DEBUG(4, "Ping\n");
void watchdog_ping(void)
{
DEBUG(4, "Ping\n");
- if (write(wdt_fd, "X", 1) < 0)
+ if (wdt_fd >= 0 && write(wdt_fd, "X", 1) < 0)
ERROR("WDT failed to write: %s\n", strerror(errno));
}
ERROR("WDT failed to write: %s\n", strerror(errno));
}