iwlwifi: allow to zero SRAM
Sending a NULL pointer to iwl_trans_write_mem allows now
to zero SRAM.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 2de5770..4028c03 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -815,7 +815,8 @@
if (iwl_trans_grab_nic_access(trans, false)) {
iwl_write32(trans, HBUS_TARG_MEM_WADDR, addr);
for (offs = 0; offs < dwords; offs++)
- iwl_write32(trans, HBUS_TARG_MEM_WDAT, vals[offs]);
+ iwl_write32(trans, HBUS_TARG_MEM_WDAT,
+ vals ? vals[offs] : 0);
iwl_trans_release_nic_access(trans);
} else {
ret = -EBUSY;