ARM: initrd: disable initrds outside of memory

[karo-tx-linux.git] / arch / arm / mm / init.c

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index b2cf9460ea604a1ed2c2934b412d57cd677efb1a..c19571c40a21ca62902d65cd01dcb8db9ea4f178 100644 (file)
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -330,6 +330,12 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)
        memblock_reserve(__pa(_stext), _end - _stext);
 #endif
 #ifdef CONFIG_BLK_DEV_INITRD
+       if (phys_initrd_size &&
+           !memblock_is_region_memory(phys_initrd_start, phys_initrd_size)) {
+               pr_err("INITRD: 0x%08lx+0x%08lx is not a memory region - disabling initrd\n",
+                      phys_initrd_start, phys_initrd_size);
+               phys_initrd_start = phys_initrd_size = 0;
+       }
        if (phys_initrd_size &&
            memblock_is_region_reserved(phys_initrd_start, phys_initrd_size)) {
                pr_err("INITRD: 0x%08lx+0x%08lx overlaps in-use memory region - disabling initrd\n",