Hi,
In my RTEMS driver I set and return error value by following macro:
rtems_set_errno_and_return_minus_one(EALREADY);
But in my rtems app when I print the error out by:
fd = open(RTEMS_SYSFLASH_DEVICE_NAME, O_RDWR);
if(fd < 0) {
printk("Couldn't Open device (%d:%d:%s).", fd, errno, strerror(errno));
exit(-1);
}
OUTPUT: Couldn't Open device (-1:22:Invalid argument).
No matter what errno value i set I always get the same (22: Invalid argument).
I don't understand why. Any help would be appreciated.
Regards,
Indy
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