linux-kernel - [PATCH] ALSA: usb-audio: Don't store returned value and check for errors

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Date:   Thu, 25 Mar 2021 13:36:41 +0500
From:   Muhammad Usama Anjum <musamaanjum@...il.com>
To:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org, colin.king@...onical.com,
        dan.carpenter@...cle.com
Cc:     musamaanjum@...il.com
Subject: [PATCH] ALSA: usb-audio: Don't store returned value and check for
 errors

The returned value by create_autodetect_quirk isn't being used other
than in the success check on next line. Remove the return value
assignement. Check for error values instead of success check.

Signed-off-by: Muhammad Usama Anjum <musamaanjum@...il.com>
---
 sound/usb/quirks.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 9e5e37eff10e..5ce5f4ecb9d0 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -425,9 +425,9 @@ static int create_autodetect_quirks(struct snd_usb_audio *chip,
 							USB_CLASS_VENDOR_SPEC)
 			continue;
 
-		err = create_autodetect_quirk(chip, iface, driver);
-		if (err >= 0)
-			usb_driver_claim_interface(driver, iface, (void *)-1L);
+		if (create_autodetect_quirk(chip, iface, driver) < 0)
+			continue;
+		usb_driver_claim_interface(driver, iface, (void *)-1L);
 	}
 
 	return 0;
-- 
2.25.1