This patch adds a check for memblock_reserve() call in the memblock_virt_alloc_internal() function, because memblock_reserve() can return -errno on fail. Signed-off-by: Alexander Kuleshov <kuleshovmail@xxxxxxxxx> --- mm/memblock.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/mm/memblock.c b/mm/memblock.c index 87108e7..73427546 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -1298,7 +1298,9 @@ again: return NULL; done: - memblock_reserve(alloc, size); + if (memblock_reserve(alloc, size)) + return NULL; + ptr = phys_to_virt(alloc); memset(ptr, 0, size); -- 2.5.0 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>