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[03/11] iwlwifi: yoyo: remove magic number

Message ID iwlwifi.20200424194456.e10482b9eed7.I15da7bb25d9b9e3eef1c1b117dc585e703ce756a@changeid
State New
Headers show
Series None | expand

Commit Message

Luca Coelho April 24, 2020, 4:46 p.m. UTC 
From: Mordechay Goodstein <mordechay.goodstein@intel.com>

The for loop is iterating over active regions so iterate only
over the len of the active regions buffer size.

Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
---
 drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index 4df10f3d99d2..04de7688884d 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -2119,7 +2119,11 @@  static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt,
 	u32 size = 0;
 	u64 regions_mask = le64_to_cpu(trigger->regions_mask);
 
-	for (i = 0; i < 64; i++) {
+	BUILD_BUG_ON(sizeof(trigger->regions_mask) != sizeof(regions_mask));
+	BUILD_BUG_ON((sizeof(trigger->regions_mask) * BITS_PER_BYTE) <
+		     ARRAY_SIZE(fwrt->trans->dbg.active_regions));
+
+	for (i = 0; i < ARRAY_SIZE(fwrt->trans->dbg.active_regions); i++) {
 		u32 reg_type;
 		struct iwl_fw_ini_region_tlv *reg;