Thread (1 message) 1 message, 1 author, 2021-09-09
STALE1741d

[PATCH AUTOSEL 5.14 234/252] iwlwifi: fw: correctly limit to monitor dump

From: Sasha Levin <sashal@kernel.org>
Date: 2021-09-09 12:05:21
Also in: lkml, netdev, stable
Subsystem: intel wireless wifi link (iwlwifi), the rest · Maintainers: Miri Korenblit, Linus Torvalds

From: Johannes Berg <redacted>

[ Upstream commit e6344c060209ef4e970cac18adeac1676a2a73cd ]

In commit 79f033f6f229 ("iwlwifi: dbg: don't limit dump decisions
to all or monitor") we changed the code to pass around a bitmap,
but in the monitor_only case, one place accidentally used the bit
number, not the bit mask, resulting in CSR and FW_INFO getting
dumped instead of monitor data. Fix that.

Signed-off-by: Johannes Berg <redacted>
Signed-off-by: Luca Coelho <redacted>
Link: https://lore.kernel.org/r/iwlwifi.20210805141826.774fd8729a33.Ic985a787071d1c0b127ef0ba8367da896ee11f57@changeid (local)
Signed-off-by: Luca Coelho <redacted>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index df7c55e06f54..a13fe01e487b 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -2321,7 +2321,7 @@ static void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt,
 		return;
 
 	if (dump_data->monitor_only)
-		dump_mask &= IWL_FW_ERROR_DUMP_FW_MONITOR;
+		dump_mask &= BIT(IWL_FW_ERROR_DUMP_FW_MONITOR);
 
 	fw_error_dump.trans_ptr = iwl_trans_dump_data(fwrt->trans, dump_mask);
 	file_len = le32_to_cpu(dump_file->file_len);
-- 
2.30.2
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