[PATCH v2 20/37] baseband/acc100: check turbo dec/enc input

[Hernan Vargas]

Add NULL check for the turbo decoder and encoder input length.

Signed-off-by: Hernan Vargas <hernan.var...@intel.com>
---
 drivers/baseband/acc100/rte_acc100_pmd.c | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/drivers/baseband/acc100/rte_acc100_pmd.c 
b/drivers/baseband/acc100/rte_acc100_pmd.c
index deb2cb6d36..70a29f92a1 100644
--- a/drivers/baseband/acc100/rte_acc100_pmd.c
+++ b/drivers/baseband/acc100/rte_acc100_pmd.c
@@ -2398,6 +2398,11 @@ validate_enc_op(struct rte_bbdev_enc_op *op, struct 
acc100_queue *q)
                return -1;
        }
 
+       if (turbo_enc->input.length == 0) {
+               rte_bbdev_log(ERR, "input length null");
+               return -1;
+       }
+
        if (turbo_enc->code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK) {
                tb = &turbo_enc->tb_params;
                if ((tb->k_neg < RTE_BBDEV_TURBO_MIN_CB_SIZE
@@ -2417,11 +2422,12 @@ validate_enc_op(struct rte_bbdev_enc_op *op, struct 
acc100_queue *q)
                                        RTE_BBDEV_TURBO_MAX_CB_SIZE);
                        return -1;
                }
-               if (tb->c_neg > (RTE_BBDEV_TURBO_MAX_CODE_BLOCKS - 1))
+               if (tb->c_neg > 0) {
                        rte_bbdev_log(ERR,
-                                       "c_neg (%u) is out of range 0 <= value 
<= %u",
-                                       tb->c_neg,
-                                       RTE_BBDEV_TURBO_MAX_CODE_BLOCKS - 1);
+                                       "c_neg (%u) expected to be null",
+                                       tb->c_neg);
+                       return -1;
+               }
                if (tb->c < 1 || tb->c > RTE_BBDEV_TURBO_MAX_CODE_BLOCKS) {
                        rte_bbdev_log(ERR,
                                        "c (%u) is out of range 1 <= value <= 
%u",
@@ -3320,6 +3326,11 @@ validate_dec_op(struct rte_bbdev_dec_op *op, struct 
acc100_queue *q)
                return -1;
        }
 
+       if (turbo_dec->input.length == 0) {
+               rte_bbdev_log(ERR, "input length null");
+               return -1;
+       }
+
        if (turbo_dec->code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK) {
                tb = &turbo_dec->tb_params;
                if ((tb->k_neg < RTE_BBDEV_TURBO_MIN_CB_SIZE
@@ -3340,11 +3351,13 @@ validate_dec_op(struct rte_bbdev_dec_op *op, struct 
acc100_queue *q)
                                        RTE_BBDEV_TURBO_MAX_CB_SIZE);
                        return -1;
                }
-               if (tb->c_neg > (RTE_BBDEV_TURBO_MAX_CODE_BLOCKS - 1))
+               if (tb->c_neg > (RTE_BBDEV_TURBO_MAX_CODE_BLOCKS - 1)) {
                        rte_bbdev_log(ERR,
                                        "c_neg (%u) is out of range 0 <= value 
<= %u",
                                        tb->c_neg,
                                        RTE_BBDEV_TURBO_MAX_CODE_BLOCKS - 1);
+                                       return -1;
+               }
                if (tb->c < 1 || tb->c > RTE_BBDEV_TURBO_MAX_CODE_BLOCKS) {
                        rte_bbdev_log(ERR,
                                        "c (%u) is out of range 1 <= value <= 
%u",
-- 
2.37.1