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authorMordechay Goodstein <mordechay.goodstein@intel.com>2022-03-04 13:21:27 +0200
committerLuca Coelho <luciano.coelho@intel.com>2022-03-10 09:23:29 +0200
commit97374513bbc426cea115882847369efac633ead3 (patch)
treecd4727b29f1208458fd3931979efbabcbd2bdf3e
parentiwlwifi: dbg: in sync mode don't call schedule (diff)
downloadlinux-dev-97374513bbc426cea115882847369efac633ead3.tar.xz
linux-dev-97374513bbc426cea115882847369efac633ead3.zip
iwlwifi: dbg: check trigger data before access
Without trigger data set, no point in any collection. so check that we have the info for collecting the data. Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20220304131517.5fb34fb1f0eb.I4d7f2a4d162e80474540c5caf1194ed7d32977bc@changeid Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/dbg.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index d3ac8ea049a4..abf49022edbe 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -2905,6 +2905,11 @@ static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx)
if (!test_bit(wk_idx, &fwrt->dump.active_wks))
return;
+ if (!dump_data->trig) {
+ IWL_ERR(fwrt, "dump trigger data is not set\n");
+ goto out;
+ }
+
if (!test_bit(STATUS_DEVICE_ENABLED, &fwrt->trans->status)) {
IWL_ERR(fwrt, "Device is not enabled - cannot dump error\n");
goto out;