Cregit: Linux 5.13: extable.c

Contributors: 5
Author	Tokens	Token Proportion	Commits	Commit Proportion
Russell King	44	66.67%	2	28.57%
Marc Zyngier	15	22.73%	1	14.29%
Linus Torvalds (pre-git)	5	7.58%	2	28.57%
Paul Gortmaker	1	1.52%	1	14.29%
Greg Kroah-Hartman	1	1.52%	1	14.29%
Total	66		7

// 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;
}