diff options
| -rw-r--r-- | drivers/crypto/talitos.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index c7a1368..1edb686 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -1298,7 +1298,7 @@ static int sg_to_link_tbl(struct scatterlist *sg, int sg_count, { int n_sg = sg_count; - while (n_sg--) { + while (sg && n_sg--) { to_talitos_ptr(link_tbl_ptr, sg_dma_address(sg)); link_tbl_ptr->len = cpu_to_be16(sg_dma_len(sg)); link_tbl_ptr->j_extent = 0; @@ -1486,7 +1486,7 @@ static int sg_count(struct scatterlist *sg_list, int nbytes, bool *chained) int sg_nents = 0; *chained = false; - while (nbytes > 0) { + while (nbytes > 0 && sg) { sg_nents++; nbytes -= sg->length; if (!sg_is_last(sg) && (sg + 1)->length == 0) |