--- fs/ecryptfs/crypto.c

+++ fs/ecryptfs/crypto.c

@@ -296,7 +296,8 @@ int virt_to_scatterlist(const void *addr

int offset;

int remainder_of_page;

- sg_init_table(sg, sg_size);

+ if (sg)

+ sg_init_table(sg, sg_size);

while (size > 0 && i < sg_size) {

pg = virt_to_page(addr);