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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2013-06-11 15:17:21 +0300
committerJohannes Berg <johannes.berg@intel.com>2013-06-11 20:12:02 +0200
commit476a9e09cbe37bad93de6e460b76f89f3ad22c9b (patch)
treee9269eab24e1a19bdbd0954cb189dd5595b33659 /drivers/net/wireless/iwlwifi/iwl-phy-db.c
parent0742a75a72ee52a7424554a1d49882dd9db195e3 (diff)
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>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-phy-db.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-phy-db.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-phy-db.c b/drivers/net/wireless/iwlwifi/iwl-phy-db.c
index 25745daa0d5..84acb4deca8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-phy-db.c
+++ b/drivers/net/wireless/iwlwifi/iwl-phy-db.c
@@ -413,6 +413,9 @@ static int iwl_phy_db_send_all_channel_groups(
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,