[PATCH 5.14 158/168] iwlwifi: move get pnvm file name to a separate function
From: Greg Kroah-Hartman
Date: Mon Sep 20 2021 - 14:55:51 EST
From: Dror Moshe <drorx.moshe@xxxxxxxxx>
[ Upstream commit b05c1d14a177eaffe3aa7fa18b39df3a3e1f3a47 ]
Move code that generates the pnvm file name to a separate function,
so that it can be reused.
Signed-off-by: Dror Moshe <drorx.moshe@xxxxxxxxx>
Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
Link: https://lore.kernel.org/r/iwlwifi.20210826224715.7d2dd18c75a2.I3652584755b9ab44909ddcd09ff4d80c6690a1ad@changeid
Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/wireless/intel/iwlwifi/fw/pnvm.c | 13 ++-----------
drivers/net/wireless/intel/iwlwifi/fw/pnvm.h | 20 ++++++++++++++++++++
2 files changed, 22 insertions(+), 11 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c b/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c
index b4b1f75b9c2a..830257e94126 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c
@@ -230,19 +230,10 @@ static int iwl_pnvm_parse(struct iwl_trans *trans, const u8 *data,
static int iwl_pnvm_get_from_fs(struct iwl_trans *trans, u8 **data, size_t *len)
{
const struct firmware *pnvm;
- char pnvm_name[64];
+ char pnvm_name[MAX_PNVM_NAME];
int ret;
- /*
- * The prefix unfortunately includes a hyphen at the end, so
- * don't add the dot here...
- */
- snprintf(pnvm_name, sizeof(pnvm_name), "%spnvm",
- trans->cfg->fw_name_pre);
-
- /* ...but replace the hyphen with the dot here. */
- if (strlen(trans->cfg->fw_name_pre) < sizeof(pnvm_name))
- pnvm_name[strlen(trans->cfg->fw_name_pre) - 1] = '.';
+ iwl_pnvm_get_fs_name(trans, pnvm_name, sizeof(pnvm_name));
ret = firmware_request_nowarn(&pnvm, pnvm_name, trans->dev);
if (ret) {
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/pnvm.h b/drivers/net/wireless/intel/iwlwifi/fw/pnvm.h
index 61d3d4e0b7d9..203c367dd4de 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/pnvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/pnvm.h
@@ -12,7 +12,27 @@
#define MVM_UCODE_PNVM_TIMEOUT (HZ / 4)
+#define MAX_PNVM_NAME 64
+
int iwl_pnvm_load(struct iwl_trans *trans,
struct iwl_notif_wait_data *notif_wait);
+static inline
+void iwl_pnvm_get_fs_name(struct iwl_trans *trans,
+ u8 *pnvm_name, size_t max_len)
+{
+ int pre_len;
+
+ /*
+ * The prefix unfortunately includes a hyphen at the end, so
+ * don't add the dot here...
+ */
+ snprintf(pnvm_name, max_len, "%spnvm", trans->cfg->fw_name_pre);
+
+ /* ...but replace the hyphen with the dot here. */
+ pre_len = strlen(trans->cfg->fw_name_pre);
+ if (pre_len < max_len && pre_len > 0)
+ pnvm_name[pre_len - 1] = '.';
+}
+
#endif /* __IWL_PNVM_H__ */
--
2.30.2