Hello David Spinadel,
The patch 35a000b7c1bb: "iwlwifi: mvm: support sched scan if
supported by the fw" from Aug 28, 2013, leads to the following static
checker warning:
drivers/net/wireless/intel/iwlwifi/mvm/scan.c:572
iwl_mvm_lmac_scan_abort()
error: uninitialized symbol 'status'.
drivers/net/wireless/intel/iwlwifi/mvm/scan.c
560 static int iwl_mvm_lmac_scan_abort(struct iwl_mvm *mvm)
561 {
562 int ret;
563 struct iwl_host_cmd cmd = {
564 .id = SCAN_OFFLOAD_ABORT_CMD,
565 };
566 u32 status;
567
568 ret = iwl_mvm_send_cmd_status(mvm, &cmd, &status);
569 if (ret)
570 return ret;
571
572 if (status != CAN_ABORT_STATUS) {
^^^^^^
There is a "success" path in iwl_mvm_send_cmd_status() where we don't
set status. It's commented inside the function.
573 /*
574 * The scan abort will return 1 for success or
575 * 2 for "failure". A failure condition can be
576 * due to simply not being in an active scan which
577 * can occur if we send the scan abort before the
578 * microcode has notified us that a scan is completed.
579 */
580 IWL_DEBUG_SCAN(mvm, "SCAN OFFLOAD ABORT ret %d.\n",
status);
581 ret = -ENOENT;
582 }
583
584 return ret;
585 }
regards,
dan carpenter
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