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character_device_create

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This commit is contained in:
Ciro Santilli
2017-08-06 12:21:05 +01:00
parent b2459d07f5
commit dab04d1852
6 changed files with 84 additions and 22 deletions
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4
rootfs_overlay/character_device.sh
View File

@@ -1,7 +1,7 @@
#!/bin/sh
set -ex
insmod /character_device.ko
/mknoddev.sh lkmc_character_device
cat /dev/lkmc_character_device
# => abcd
[ "$(cat /dev/lkmc_character_device)" = 'abcd' ]
rm /dev/lkmc_character_device
rmmod character_device

7
rootfs_overlay/character_device_create.sh Executable file
View File

@@ -0,0 +1,7 @@
#!/bin/sh
set -ex
insmod /character_device_create.ko
dev='/dev/lkmc_character_device_create_dev'
[ "$(cat "$dev")" = 'abcd' ]
rmmod character_device_create
[ ! -e "$dev" ]