On 4/27/22 11:17 AM, Nicolas Chautru wrote:
Catch exception in PMD in case of invalid input parameter.
It is not clear if this is 1 fix or 2.
But it does look like an acc100 fix so it should be split from the
acc101 patchset.
Signed-off-by: Nicolas Chautru <nicolas.chau...@intel.com>
---
drivers/baseband/acc100/rte_acc100_pmd.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/baseband/acc100/rte_acc100_pmd.c
b/drivers/baseband/acc100/rte_acc100_pmd.c
index b588f5f..a13966c 100644
--- a/drivers/baseband/acc100/rte_acc100_pmd.c
+++ b/drivers/baseband/acc100/rte_acc100_pmd.c
@@ -1241,6 +1241,8 @@
return (bg == 1 ? ACC100_K0_3_1 : ACC100_K0_3_2) * z_c;
}
/* LBRM case - includes a division by N */
+ if (unlikely(z_c == 0))
+ return 0;
This check should be moved to earlier, if 'n' is set to 0 in the
statement above, there is div by 0 later
Tom
if (rv_index == 1)
return (((bg == 1 ? ACC100_K0_1_1 : ACC100_K0_1_2) * n_cb)
/ n) * z_c;
@@ -1916,6 +1918,10 @@ static inline uint32_t hq_index(uint32_t offset)
/* Soft output */
if (check_bit(op->turbo_dec.op_flags, RTE_BBDEV_TURBO_SOFT_OUTPUT)) {
+ if (op->turbo_dec.soft_output.data == 0) {
+ rte_bbdev_log(ERR, "Soft output is not defined");
+ return -1;
+ }
if (check_bit(op->turbo_dec.op_flags,
RTE_BBDEV_TURBO_EQUALIZER))
*s_out_length = e;
