linux-kernel - [PATCH] usb: gadget: f_uac*: fix noderef.cocci warnings

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Message-ID: <20170702155748.GA10229@lkp-wsm-ep2>
Date:   Sun, 2 Jul 2017 23:57:48 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Julian Scheel <julian@...st.de>
Cc:     kbuild-all@...org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Corbet <corbet@....net>,
        Felipe Balbi <balbi@...nel.org>,
        Julian Scheel <julian@...st.de>,
        Ruslan Bilovol <ruslan.bilovol@...il.com>,
        Peter Chen <peter.chen@....com>, Sekhar Nori <nsekhar@...com>,
        Thierry Reding <thierry.reding@...il.com>,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-doc@...r.kernel.org
Subject: [PATCH] usb: gadget: f_uac*: fix noderef.cocci warnings

drivers/usb/gadget/legacy/audio.c:231:23-29: ERROR: application of sizeof to pointer

 sizeof when applied to a pointer typed expression gives the size of
 the pointer

Generated by: scripts/coccinelle/misc/noderef.cocci

Fixes: f95cee9b299f ("usb: gadget: f_uac*: Reduce code duplication")
CC: Julian Scheel <julian@...st.de>
Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
---

 audio.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/usb/gadget/legacy/audio.c
+++ b/drivers/usb/gadget/legacy/audio.c
@@ -228,7 +228,7 @@ static int audio_bind(struct usb_composi
 #endif
 
 #if !defined(CONFIG_GADGET_UAC1) || !defined(CONFIG_GADGET_UAC1_LEGACY)
-	memset(uac_opts, 0x0, sizeof(uac_opts));
+	memset(uac_opts, 0x0, sizeof(*uac_opts));
 	uac_opts->p_chmask = p_chmask;
 	uac_opts->p_srate[0] = p_srate;
 	uac_opts->p_srate_active = p_srate;