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iwlwifi: pcie: dump stack on NIC error in sync commands

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Many times, a NIC error is the result of a bad command sent
to the device. If the command was sent synchronously, then
we'll currently print a message when the command is aborted
containing the command. It can be very useful to also see
the stack dump though, so also print that.

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2013-05-03 11:56:17 +02:00
parent ce7f9ab381
commit b656fa3371
1 changed files with 1 additions and 0 deletions
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1
drivers/net/wireless/iwlwifi/pcie/tx.c
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@@ -1522,6 +1522,7 @@ static int iwl_pcie_send_hcmd_sync(struct iwl_trans *trans,
if (test_bit(STATUS_FW_ERROR, &trans_pcie->status)) {
IWL_ERR(trans, "FW error in SYNC CMD %s\n",
get_cmd_string(trans_pcie, cmd->id));
dump_stack();
ret = -EIO;
goto cancel;
}