[LTP] [PATCH] lib/tst_device.c: Add exception handling of function tst_find_free_loopdev

[Cyril Hrubis]

Hi!
> > In addition, when "loopdevno = ioctl(fd, LOOP_CTL_GET_FREE)" get free
> > loop device i, and the loop device file /dev/loop%i has been removed??
> > set_dev_path will return 1 and set " /dev/block/loop%i "
> > in path. It might happened in many Embedded Systems because the test
> > process's id is root always. So we could also Add exception handling?
> 
> Or maybe we can try to create it when node doesn't exist?
> 	mknod("/dev/loop%i", S_IFBLK|0644, makedev(7, i))

I do not really get what happens on your system. It looks like dev fs is
not properly populated, which would be bug in your system rather than in
the test library.

What is the state of /dev/loop* and /dev/block/loop* before you attempt
to run the test?

-- 
Cyril Hrubis
chrubis@suse.cz