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v0.7.0
https://github.com/torvalds/linux
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Tip revision: f6cede5b49e822ebc41a099fe41ab4989f64e2cb authored by Linus Torvalds on 06 March 2016, 22:48:03 UTC
Linux 4.5-rc7
Tip revision: f6cede5
extable.c
/*
 *  linux/arch/arm/mm/extable.c
 */
#include <linux/module.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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