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wifi: iwlwifi: Fix error code in iwl_op_mode_dvm_start()

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Preserve the error code if iwl_setup_deferred_work() fails.  The current
code returns ERR_PTR(0) (which is NULL) on this path.  I believe the
missing error code potentially leads to a use after free involving
debugfs.

Fixes: 90a0d9f339 ("iwlwifi: Add missing check for alloc_ordered_workqueue")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/a7a1cd2c-ce01-461a-9afd-dbe535f8df01@sabinyo.mountain
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
This commit is contained in:
Dan Carpenter 2025-07-01 13:08:42 -05:00 committed by Miri Korenblit
parent 28aa52b618
commit cf80c02a9f
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/intel/iwlwifi/dvm/main.c
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@ -1467,7 +1467,8 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
/********************
* 6. Setup services
********************/
if (iwl_setup_deferred_work(priv))
err = iwl_setup_deferred_work(priv);
if (err)
goto out_uninit_drv;
iwl_setup_rx_handlers(priv);