3rd-party/linux-kernel-module-cheat
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Ciro Santilli
2017-06-13 09:44:29 +01:00
parent 1fb095f969
commit 1f1cf4b0bd
8 changed files with 149 additions and 7 deletions
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5
kernel_module/ioctl.c
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@@ -73,7 +73,10 @@ static const struct file_operations fops = {
static int myinit(void)
{
dir = debugfs_create_dir("lkmc_ioctl", 0);
debugfs_create_file("f", 0666, dir, NULL, &fops);
/* ioctl permissions are not automatically restricted by rwx as for read / write,
* but we could of course implement that ourselves:
* https://stackoverflow.com/questions/29891803/user-permission-check-on-ioctl-command */
debugfs_create_file("f", 0, dir, NULL, &fops);
return 0;
}