4.13-stable review patch. If anyone has any objections, please let me know.
------------------ From: Jaedon Shin <jaedon.s...@gmail.com> commit ea4b3afe1eac8f88bb453798a084fba47a1f155a upstream. Fix NULL pointer access in BMIPS3300 RAC flush. Fixes: 738a3f79027b ("MIPS: BMIPS: Add early CPU initialization code") Signed-off-by: Jaedon Shin <jaedon.s...@gmail.com> Reviewed-by: Florian Fainelli <f.faine...@gmail.com> Cc: Kevin Cernekee <cerne...@gmail.com> Cc: linux-m...@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/16423/ Signed-off-by: James Hogan <jho...@kernel.org> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- arch/mips/kernel/smp-bmips.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/arch/mips/kernel/smp-bmips.c +++ b/arch/mips/kernel/smp-bmips.c @@ -589,11 +589,11 @@ void __init bmips_cpu_setup(void) /* Flush and enable RAC */ cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG); - __raw_writel(cfg | 0x100, BMIPS_RAC_CONFIG); + __raw_writel(cfg | 0x100, cbr + BMIPS_RAC_CONFIG); __raw_readl(cbr + BMIPS_RAC_CONFIG); cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG); - __raw_writel(cfg | 0xf, BMIPS_RAC_CONFIG); + __raw_writel(cfg | 0xf, cbr + BMIPS_RAC_CONFIG); __raw_readl(cbr + BMIPS_RAC_CONFIG); cfg = __raw_readl(cbr + BMIPS_RAC_ADDRESS_RANGE);