Release 4.18 arch/x86/lib/error-inject.c

// SPDX-License-Identifier: GPL-2.0

#include <linux/error-injection.h>
#include <linux/kprobes.h>

asmlinkage void just_return_func(void);

asm(
        ".type just_return_func, @function\n"
        ".globl just_return_func\n"
        "just_return_func:\n"
        "       ret\n"
        ".size just_return_func, .-just_return_func\n"
);



void override_function_with_return(struct pt_regs *regs)
{
	regs->ip = (unsigned long)&just_return_func;
}
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NOKPROBE_SYMBOL(override_function_with_return);
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Arnd Bergmann
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Directory: arch/x86/lib

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