[U-Boot] [PATCH 04/11] powerpc/mpc85xx: check number of cores

Panic if the number of cores is more than CONFIG_MAX_CPUS because it will surely overflow gd structure.

Signed-off-by: York Sun yorksun@freescale.com --- arch/powerpc/cpu/mpc85xx/cpu.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c index 515dd41..11b83d2 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu.c +++ b/arch/powerpc/cpu/mpc85xx/cpu.c @@ -127,6 +127,11 @@ int checkcpu (void)

printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);

+ if (nr_cores > CONFIG_MAX_CPUS) { + panic("\nUnexpected number of cores: %d, max is %d\n", + nr_cores, CONFIG_MAX_CPUS); + } + get_sys_info(&sysinfo);

puts("Clock Configuration:");