[LTP] [PATCH v3] madvise11.c:Check loadable module before rmmod

[Cyril Hrubis]

Hi!
> This is caused by "_" and "-", current search function not do this tricky translate part.
> Input parameter is hwpoison_inject but actually string in modules.xxx is hwpoison-inject
> 
> /lib/modules/5.14.21-150400.24.41-default/modules.dep | grep hwpo
> kernel/mm/hwpoison-inject.ko.zst:
> 
> Other info just FYI:
> //modprobe can accept both "-" and "_"
> localhost:/home/ltp # modprobe hwpoison-inject
> localhost:/home/ltp # modprobe hwpoison_inject
> 
> //get info from lsmod and /proc use "_"
> localhost:/home/ltp # lsmod | grep hwpo
> hwpoison_inject        16384  0
> localhost:/home/ltp # cat /proc/modules | grep hwp
> hwpoison_inject 16384 0 - Live 0xffffffffc09d6000

Sounds like a bug that shoudl be fixed, we probably need to create two
search strings, one with dashes and one with underscores and try to
strstr() both.

-- 
Cyril Hrubis
chrubis@suse.cz