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wifi: iwlwifi: fw: Fix possible memory leak in iwl_fw_dbg_collect

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[ Upstream commit cc8d9cbf269dab363c768bfa9312265bc807fca5 ]

Ensure descriptor is freed on error to avoid memory leak.

Signed-off-by: Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250611222325.8158d15ec866.Ifa3e422c302397111f20a16da7509e6574bc19e3@changeid
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Pagadala Yesu Anjaneyulu 2025-06-11 22:26:23 +03:00 • committed by Greg Kroah-Hartman
commit ecd425c509
1 changed files with 6 additions and 1 deletions
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7
drivers/net/wireless/intel/iwlwifi/fw/dbg.c
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@ -2130,6 +2130,7 @@ 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;
@ -2160,7 +2161,11 @@ 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);