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v3.1
 1/*
 2 *  linux/arch/arm/mm/extable.c
 3 */
 4#include <linux/module.h>
 5#include <linux/uaccess.h>
 6
 7int fixup_exception(struct pt_regs *regs)
 8{
 9	const struct exception_table_entry *fixup;
10
11	fixup = search_exception_tables(instruction_pointer(regs));
12	if (fixup)
13		regs->ARM_pc = fixup->fixup;
 
 
 
 
 
14
15	return fixup != NULL;
16}
v4.6
 1/*
 2 *  linux/arch/arm/mm/extable.c
 3 */
 4#include <linux/module.h>
 5#include <linux/uaccess.h>
 6
 7int fixup_exception(struct pt_regs *regs)
 8{
 9	const struct exception_table_entry *fixup;
10
11	fixup = search_exception_tables(instruction_pointer(regs));
12	if (fixup) {
13		regs->ARM_pc = fixup->fixup;
14#ifdef CONFIG_THUMB2_KERNEL
15		/* Clear the IT state to avoid nasty surprises in the fixup */
16		regs->ARM_cpsr &= ~PSR_IT_MASK;
17#endif
18	}
19
20	return fixup != NULL;
21}