From: Pagadala Yesu Anjaneyulu Date: Wed, 11 Jun 2025 19:26:23 +0000 (+0300) Subject: wifi: iwlwifi: fw: Fix possible memory leak in iwl_fw_dbg_collect X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc8d9cbf269dab363c768bfa9312265bc807fca5;p=thirdparty%2Fkernel%2Fstable.git wifi: iwlwifi: fw: Fix possible memory leak in iwl_fw_dbg_collect Ensure descriptor is freed on error to avoid memory leak. Signed-off-by: Pagadala Yesu Anjaneyulu Signed-off-by: Miri Korenblit Link: https://patch.msgid.link/20250611222325.8158d15ec866.Ifa3e422c302397111f20a16da7509e6574bc19e3@changeid --- diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index ea739ebe7cb0..95a732efce45 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -3008,6 +3008,7 @@ int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, struct iwl_fw_dump_desc *desc; unsigned int delay = 0; bool monitor_only = false; + int ret; if (trigger) { u16 occurrences = le16_to_cpu(trigger->occurrences) - 1; @@ -3038,7 +3039,11 @@ int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, desc->trig_desc.type = cpu_to_le32(trig); memcpy(desc->trig_desc.data, str, len); - return iwl_fw_dbg_collect_desc(fwrt, desc, monitor_only, delay); + ret = iwl_fw_dbg_collect_desc(fwrt, desc, monitor_only, delay); + if (ret) + kfree(desc); + + return ret; } IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect);