iwlwifi: ignore 0-length PHY DB sections
This can happen during development but can cause problems,
WARN (once) and go on.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Guy Cohen <guy.cohen@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-phy-db.c b/drivers/net/wireless/iwlwifi/iwl-phy-db.c
index 25745da..84acb4d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-phy-db.c
+++ b/drivers/net/wireless/iwlwifi/iwl-phy-db.c
@@ -413,6 +413,9 @@
if (!entry)
return -EINVAL;
+ if (WARN_ON_ONCE(!entry->size))
+ continue;
+
/* Send the requested PHY DB section */
err = iwl_send_phy_db_cmd(phy_db,
type,