From: "huang.zijiang" <huang.zijiang@xxxxxxxxxx> Subject: drivers/firmware/memmap.c: modify memblock_alloc to memblock_alloc_nopanic memblock_alloc() never returns NULL because panic never returns. Link: http://lkml.kernel.org/r/1545640882-42009-1-git-send-email-huang.zijiang@xxxxxxxxxx Signed-off-by: huang.zijiang <huang.zijiang@xxxxxxxxxx> Acked-by: Mike Rapoport <rppt@xxxxxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxx> Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Cc: Yi Wang <wang.yi59@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/firmware/memmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/firmware/memmap.c~firmware-memmap-modify-memblock_alloc-to-memblock_alloc_nopanic +++ a/drivers/firmware/memmap.c @@ -333,7 +333,7 @@ int __init firmware_map_add_early(u64 st { struct firmware_map_entry *entry; - entry = memblock_alloc(sizeof(struct firmware_map_entry), + entry = memblock_alloc_nopanic(sizeof(struct firmware_map_entry), SMP_CACHE_BYTES); if (WARN_ON(!entry)) return -ENOMEM; _
