powerpc/book3s/32: fix number of bats in p/v_block_mapped() (e93ba1b7) · Commits · 戴 / test

This patch fixes the loop in p_block_mapped() and v_block_mapped() to scan the entire bat_addrs[] array. Signed-off-by:

arch/powerpc/mm/ppc_mmu_32.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -53,7 +53,7 @@ struct batrange { /* stores address ranges mapped by BATs */
		phys_addr_t v_block_mapped(unsigned long va)
		{
		int b;
		for (b = 0; b < 4; ++b)
		for (b = 0; b < ARRAY_SIZE(bat_addrs); ++b)
		if (va >= bat_addrs[b].start && va < bat_addrs[b].limit)
		return bat_addrs[b].phys + (va - bat_addrs[b].start);
		return 0;
		@@ -65,7 +65,7 @@ phys_addr_t v_block_mapped(unsigned long va)
		unsigned long p_block_mapped(phys_addr_t pa)
		{
		int b;
		for (b = 0; b < 4; ++b)
		for (b = 0; b < ARRAY_SIZE(bat_addrs); ++b)
		if (pa >= bat_addrs[b].phys
		&& pa < (bat_addrs[b].limit-bat_addrs[b].start)
		+bat_addrs[b].phys)