Merge tag 'libnvdimm-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm...

[linux-2.6-microblaze.git] / drivers / md / dm-table.c

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 81c5530..caaee80 100644 (file)
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -561,7 +561,7 @@ static char **realloc_argv(unsigned *size, char **old_argv)
                gfp = GFP_NOIO;
        }
        argv = kmalloc_array(new_size, sizeof(*argv), gfp);
-       if (argv) {
+       if (argv && old_argv) {
                memcpy(argv, old_argv, *size * sizeof(*argv));
                *size = new_size;
        }