linux-kernel - [RFT 3/7] firmware: make fw_add_devm

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Date:   Tue, 27 Feb 2018 15:20:57 -0800
From:   "Luis R. Rodriguez" <mcgrof@...nel.org>
To:     cantabile.desu@...il.com
Cc:     kubakici@...pl, gregkh@...uxfoundation.org,
        akpm@...ux-foundation.org, linux-wireless@...r.kernel.org,
        keescook@...omium.org, shuah@...nel.org, mfuzzey@...keon.com,
        zohar@...ux.vnet.ibm.com, dhowells@...hat.com,
        pali.rohar@...il.com, tiwai@...e.de, arend.vanspriel@...adcom.com,
        zajec5@...il.com, nbroeking@...com, markivx@...eaurora.org,
        stephen.boyd@...aro.org, broonie@...nel.org,
        dmitry.torokhov@...il.com, dwmw2@...radead.org,
        torvalds@...ux-foundation.org, Abhay_Salunke@...l.com,
        bjorn.andersson@...aro.org, jewalt@...innovations.com,
        oneukum@...e.com, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org,
        "Luis R. Rodriguez" <mcgrof@...nel.org>
Subject: [RFT 3/7] firmware: make fw_add_devm_name() return 0 if cache present

Currently fw_add_devm_name() returns 1 if the firmware cache
was already set. This makes it complicated for us to check for
correctness. It is actually non-fatal if the firmware cache
is already setup, so just return 0, and simplify the checkers.

Signed-off-by: Luis R. Rodriguez <mcgrof@...nel.org>
---
 drivers/base/firmware_loader.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/base/firmware_loader.c b/drivers/base/firmware_loader.c
index 48932581c70c..a385622bf3e1 100644
--- a/drivers/base/firmware_loader.c
+++ b/drivers/base/firmware_loader.c
@@ -403,7 +403,7 @@ static int fw_add_devm_name(struct device *dev, const char *name)
 
 	fwn = fw_find_devm_name(dev, name);
 	if (fwn)
-		return 1;
+		return 0;
 
 	fwn = devres_alloc(fw_name_devm_release, sizeof(struct fw_name_devm),
 			   GFP_KERNEL);
@@ -450,7 +450,7 @@ int assign_fw(struct firmware *fw, struct device *device,
 	if (device && (opt_flags & FW_OPT_UEVENT) &&
 	    !(opt_flags & FW_OPT_NOCACHE)) {
 		ret = fw_add_devm_name(device, fw_priv->fw_name);
-		if (ret && ret != 1) {
+		if (ret) {
 			mutex_unlock(&fw_lock);
 			return ret;
 		}
-- 
2.16.2