iwlwifi: stop passing bogus gfp flags arguments to dma_alloc_coherent

dma_alloc_coherent is not just the page allocator.  The only valid
arguments to pass are either GFP_ATOMIC or GFP_ATOMIC with possible
modifiers of __GFP_NORETRY or __GFP_NOWARN.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/fw/dbg.c

@@ -2485,8 +2485,7 @@ iwl_fw_dbg_buffer_allocation(struct iwl_fw_runtime *fwrt, u32 size)
 
 	virtual_addr =
 		dma_alloc_coherent(fwrt->trans->dev, size, &phys_addr,
-				   GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO |
-				   __GFP_COMP);
+				   GFP_KERNEL | __GFP_NOWARN);
 
 	/* TODO: alloc fragments if needed */
 	if (!virtual_addr)

drivers/net/wireless/intel/iwlwifi/pcie/trans.c

@@ -215,8 +215,7 @@ static void iwl_pcie_alloc_fw_monitor_block(struct iwl_trans *trans,
 	for (power = max_power; power >= min_power; power--) {
 		size = BIT(power);
 		cpu_addr = dma_alloc_coherent(trans->dev, size, &phys,
-					      GFP_KERNEL | __GFP_NOWARN |
-					      __GFP_ZERO | __GFP_COMP);
+					      GFP_KERNEL | __GFP_NOWARN);
 		if (!cpu_addr)
 			continue;