I am trying to load/unload a basic driver skeleton.
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I did an insmod ./mydriver.ko
, then a
mknod /dev/mydriver0 c <major #> 0
, then a
ln -sf mydriver0 /dev/mydriver
All is well. Now to unload
rmmod mydriver
rm -f /dev/mydriver
rm -f /dev/mydriver0
But rmmod reports Module mydriver is not currently loaded.
But it is in /proc/devices:
248 mydriver
Trying to reload it gives:
insmod ./mydriver.ko
Could not insert module mydriver.ko: File exists.
I could reboot .... again ... but what is wrong?
I have source for the driver, as I am developing it.
WS
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