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wifi: iwlwifi: fw: Fix debugfs command sending

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[ Upstream commit 048449fc66 ]

During debugfs command handling transport function is used directly,
this bypasses the locking used by runtime operation function
and leads to a kernel warning when two commands are
sent in parallel.

Fix it by using runtime operations function when sending
debugfs command.

Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231004123422.4f80ac90658a.Ia1dfa1195c919f3002fe08db3eefbd2bfa921bbf@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mukesh Sisodiya 2023-10-04 12:36:32 +03:00 committed by Greg Kroah-Hartman
parent 1cbdaf141a
commit 0a1a3c11fc
1 changed files with 5 additions and 1 deletions
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6
drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
View File

@ -141,7 +141,11 @@ static int iwl_dbgfs_enabled_severities_write(struct iwl_fw_runtime *fwrt,
event_cfg.enabled_severities = cpu_to_le32(enabled_severities);
ret = iwl_trans_send_cmd(fwrt->trans, &hcmd);
if (fwrt->ops && fwrt->ops->send_hcmd)
ret = fwrt->ops->send_hcmd(fwrt->ops_ctx, &hcmd);
else
ret = -EPERM;
IWL_INFO(fwrt,
"sent host event cfg with enabled_severities: %u, ret: %d\n",
enabled_severities, ret);