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authorSven Joachim <svenjoac@gmx.de>2017-07-31 18:10:45 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-09-09 17:39:28 +0200
commit4870e16678182556aacf30368b1f54be0144859f (patch)
treefc175d794f4b23429a1c3e9148d225508ed7f4ff
parentcf37a1b981476f98b55ada2a6f4684f0dd74b5af (diff)
rtlwifi: Fix fallback firmware loading
commit 1d9b168d8ea9a0f51947d0e2f84856e77d2fe7ff upstream. Commit f70e4df2b384 ("rtlwifi: Add code to read new versions of firmware") added code to load an old firmware file if the new one is not available. Unfortunately that code is never reached because request_firmware_nowait() does not wait for the firmware to show up and returns 0 even if the file is not there. Use the existing fallback mechanism introduced by commit 62009b7f1279 ("rtlwifi: rtl8192cu: Add new firmware") instead. Fixes: f70e4df2b384 ("rtlwifi: Add code to read new versions of firmware") Signed-off-by: Sven Joachim <svenjoac@gmx.de> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c17
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c17
2 files changed, 10 insertions, 24 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
index 56c05c4e1499..f47d839f388d 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
@@ -187,18 +187,10 @@ int rtl8723be_init_sw_vars(struct ieee80211_hw *hw)
rtlpriv->io.dev, GFP_KERNEL, hw,
rtl_fw_cb);
if (err) {
- /* Failed to get firmware. Check if old version available */
- fw_name = "rtlwifi/rtl8723befw.bin";
- pr_info("Using firmware %s\n", fw_name);
- err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
- rtlpriv->io.dev, GFP_KERNEL, hw,
- rtl_fw_cb);
- if (err) {
- pr_err("Failed to request firmware!\n");
- vfree(rtlpriv->rtlhal.pfirmware);
- rtlpriv->rtlhal.pfirmware = NULL;
- return 1;
- }
+ pr_err("Failed to request firmware!\n");
+ vfree(rtlpriv->rtlhal.pfirmware);
+ rtlpriv->rtlhal.pfirmware = NULL;
+ return 1;
}
return 0;
}
@@ -289,6 +281,7 @@ static const struct rtl_hal_cfg rtl8723be_hal_cfg = {
.bar_id = 2,
.write_readback = true,
.name = "rtl8723be_pci",
+ .alt_fw_name = "rtlwifi/rtl8723befw.bin",
.ops = &rtl8723be_hal_ops,
.mod_params = &rtl8723be_mod_params,
.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c
index ec2d577ba85b..5925edf7877f 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c
@@ -216,18 +216,10 @@ int rtl8821ae_init_sw_vars(struct ieee80211_hw *hw)
rtlpriv->io.dev, GFP_KERNEL, hw,
rtl_fw_cb);
if (err) {
- /* Failed to get firmware. Check if old version available */
- fw_name = "rtlwifi/rtl8821aefw.bin";
- pr_info("Using firmware %s\n", fw_name);
- err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
- rtlpriv->io.dev, GFP_KERNEL, hw,
- rtl_fw_cb);
- if (err) {
- pr_err("Failed to request normal firmware!\n");
- vfree(rtlpriv->rtlhal.wowlan_firmware);
- vfree(rtlpriv->rtlhal.pfirmware);
- return 1;
- }
+ pr_err("Failed to request normal firmware!\n");
+ vfree(rtlpriv->rtlhal.wowlan_firmware);
+ vfree(rtlpriv->rtlhal.pfirmware);
+ return 1;
}
/*load wowlan firmware*/
pr_info("Using firmware %s\n", wowlan_fw_name);
@@ -331,6 +323,7 @@ static const struct rtl_hal_cfg rtl8821ae_hal_cfg = {
.bar_id = 2,
.write_readback = true,
.name = "rtl8821ae_pci",
+ .alt_fw_name = "rtlwifi/rtl8821aefw.bin",
.ops = &rtl8821ae_hal_ops,
.mod_params = &rtl8821ae_mod_params,
.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,