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
