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16 lines
484 B
16 lines
484 B
// SPDX-License-Identifier: GPL-2.0+ |
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#include <linux/error-injection.h> |
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#include <linux/kprobes.h> |
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#include <linux/uaccess.h> |
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void override_function_with_return(struct pt_regs *regs) |
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{ |
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/* |
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* Emulate 'blr'. 'regs' represents the state on entry of a predefined |
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* function in the kernel/module, captured on a kprobe. We don't need |
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* to worry about 32-bit userspace on a 64-bit kernel. |
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*/ |
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regs_set_return_ip(regs, regs->link); |
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} |
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NOKPROBE_SYMBOL(override_function_with_return);
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