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v0.7.0
https://github.com/torvalds/linux
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Tip revision: a111daf0c53ae91e71fd2bfe7497862d14132e3e authored by Linus Torvalds on 19 June 2022, 20:06:47 UTC
Linux 5.19-rc3
Tip revision: a111daf
extable.c
// SPDX-License-Identifier: GPL-2.0
/*
 *  linux/arch/arm/mm/extable.c
 */
#include <linux/extable.h>
#include <linux/uaccess.h>

int fixup_exception(struct pt_regs *regs)
{
	const struct exception_table_entry *fixup;

	fixup = search_exception_tables(instruction_pointer(regs));
	if (fixup) {
		regs->ARM_pc = fixup->fixup;
#ifdef CONFIG_THUMB2_KERNEL
		/* Clear the IT state to avoid nasty surprises in the fixup */
		regs->ARM_cpsr &= ~PSR_IT_MASK;
#endif
	}

	return fixup != NULL;
}
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