[PATCH v2 080/148] net/ice/base: check array bounds

[Anatoly Burakov]

From: Ian Stokes <ian.sto...@intel.com>

Some compilation targets were generating errors due to unchecked array bounds
when accessing recipe groups. Add a check to avoid that.

Signed-off-by: Waldemar Dworakowski <waldemar.dworakow...@intel.com>
Signed-off-by: Ian Stokes <ian.sto...@intel.com>
---
 drivers/net/ice/base/ice_switch.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ice/base/ice_switch.c 
b/drivers/net/ice/base/ice_switch.c
index 9ea302585c..051cf087f5 100644
--- a/drivers/net/ice/base/ice_switch.c
+++ b/drivers/net/ice/base/ice_switch.c
@@ -7533,12 +7533,14 @@ ice_create_first_fit_recp_def(struct ice_hw *hw,
                                (*recp_cnt)++;
                        }
 
-                       grp->pairs[grp->n_val_pairs].prot_id =
-                               lkup_exts->fv_words[j].prot_id;
-                       grp->pairs[grp->n_val_pairs].off =
-                               lkup_exts->fv_words[j].off;
-                       grp->mask[grp->n_val_pairs] = lkup_exts->field_mask[j];
-                       grp->n_val_pairs++;
+                       if (grp->n_val_pairs < ICE_NUM_WORDS_RECIPE) {
+                               grp->pairs[grp->n_val_pairs].prot_id =
+                                       lkup_exts->fv_words[j].prot_id;
+                               grp->pairs[grp->n_val_pairs].off =
+                                       lkup_exts->fv_words[j].off;
+                               grp->mask[grp->n_val_pairs] = 
lkup_exts->field_mask[j];
+                               grp->n_val_pairs++;
+                       }
                }
 
        return 0;
-- 
2.43.0