Questions about ioctl
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Why am I getting an ioctl error in Visual Studio but not in Stack while trying to implement multiple test files in Hspec?
I am trying to implement a multi-spec file testing suite for a project in Haskell, using hspec-discover:
-- this goes in Spec.hs
{-# OPTIONS_GHC -F -pgmF hspec-discover #-}
This should allow me to us...
Azathoth
Votes: 0
Answers: 1
copy_to_user struct with dynamic array
This is the form of the struct
struct mySt{
int *list;
int counter;
}
This is the kernel space side
struct mySt = newSt;
copy_to_user((struct mySt*) arg, newSt, sizeof(struct mySt));
A kmallo...
Anastasisxr
Votes: 0
Answers: 0
Unable to write struct to user from kernel with custom module
I am currently extending a character device driver (as a kernel module), and I'm attempting to add a new IOCTL command. All the command should do is print out the contents of a struct containing infor...
Garrett Chestnut
Votes: 0
Answers: 0
how to add a new uapi header file in buildroot linux for an out-of-tree module?
I am trying to develop an out-of-tree driver kernel module and an application using buildroot Linux, which implement ioctl like control from user space to kernel space. I want to make user space and k...
zl_kneron
Votes: 0
Answers: 0