Re: [PATCH v3 net-next] net/intel: Replace manual array size calculation with ARRAY_SIZE

From: Przemek Kitszel

Date: Tue Apr 28 2026 - 10:08:57 EST


On 4/28/26 12:36, Jakub Raczynski wrote:
There are still places in the code where manual calculation of array size
exist, but it is good to enforce usage of single macro through the whole
code as it makes code bit more readable.
While at it, beautify condition surrounding it by reversing check and remove
unnecessary casting.

Signed-off-by: Jakub Raczynski <j.raczynski@xxxxxxxxxxx>
Reviewed-by: Dan Carpenter <error27@xxxxxxxxx>

thank you,
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@xxxxxxxxx>

(next time use "iwl-next" in the title, no need to repost just for that)

---
Link to v1/v2:
https://lore.kernel.org/kernel-janitors/20260421114029.2689961-1-j.raczynski@xxxxxxxxxxx/

Changes in v3:
- Add 'Reviewed-by' from previous thread
Changes in v2:
- Beautify code by removing excessive parentheses
- Reverse if condition to remove negation of whole check

drivers/net/ethernet/intel/i40e/i40e_adminq.h | 2 +-
drivers/net/ethernet/intel/iavf/iavf_adminq.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.h b/drivers/net/ethernet/intel/i40e/i40e_adminq.h
index 1be97a3a86ce..dcf3baec7b73 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_adminq.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.h
@@ -109,7 +109,7 @@ static inline int i40e_aq_rc_to_posix(int aq_ret, int aq_rc)
-EFBIG, /* I40E_AQ_RC_EFBIG */
};
- if (!((u32)aq_rc < (sizeof(aq_to_posix) / sizeof((aq_to_posix)[0]))))
+ if (aq_rc >= ARRAY_SIZE(aq_to_posix))
return -ERANGE;
return aq_to_posix[aq_rc];
diff --git a/drivers/net/ethernet/intel/iavf/iavf_adminq.h b/drivers/net/ethernet/intel/iavf/iavf_adminq.h
index bbf5c4b3a2ae..dd2f61172157 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_adminq.h
+++ b/drivers/net/ethernet/intel/iavf/iavf_adminq.h
@@ -113,7 +113,7 @@ static inline int iavf_aq_rc_to_posix(int aq_ret, int aq_rc)
if (aq_ret == IAVF_ERR_ADMIN_QUEUE_TIMEOUT)
return -EAGAIN;
- if (!((u32)aq_rc < (sizeof(aq_to_posix) / sizeof((aq_to_posix)[0]))))
+ if (aq_rc >= ARRAY_SIZE(aq_to_posix))
return -ERANGE;
return aq_to_posix[aq_rc];