swh:1:snp:3c665ee4f67729f27f2e40193ab88e7298cf0fef
Raw File
Tip revision: 569dbb88e80deb68974ef6fdd6a13edb9d686261 authored by Linus Torvalds on 03 September 2017, 20:56:17 UTC
Linux 4.13
Tip revision: 569dbb8
extable.c
/*
 *  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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