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iwlwifi: dbg_ini: allocate dram buffer with proper flags

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Use the same flags we use in the legacy buffer allocation.
Missing __GFP_NOWARN will cause an unwanted warning incase
we fail to allocate.
Missing __GFP_ZERO will give a buffer initially filled with
garbage which can make debug difficult in case our wrap count is zero.

Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Fixes: d47902f9f7 ("iwlwifi: dbg: add apply point logic")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Shahar S Matityahu 2018-11-26 11:19:00 +02:00 committed by Luca Coelho
parent 40ecdd01d4
commit 07a44b3223
1 changed files with 4 additions and 2 deletions
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6
drivers/net/wireless/intel/iwlwifi/fw/dbg.c
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@ -1697,8 +1697,10 @@ iwl_fw_dbg_buffer_allocation(struct iwl_fw_runtime *fwrt,
IWL_FW_INI_LOCATION_DRAM_PATH)
return;
virtual_addr = dma_alloc_coherent(fwrt->trans->dev, size,
&phys_addr, GFP_KERNEL);
virtual_addr =
dma_alloc_coherent(fwrt->trans->dev, size, &phys_addr,
GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO |
__GFP_COMP);
/* TODO: alloc fragments if needed */
if (!virtual_addr)