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From b6258886ad6bd69b3d51b9c79ea6ada0e01b2db9 Mon Sep 17 00:00:00 2001
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From: Nathan Chancellor <natechancellor@gmail.com>
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Date: Sun, 4 Mar 2018 17:20:25 -0700
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Subject: [PATCH] sound: bcm: Fix memset dereference warning
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This warning appears with GCC 6.4.0 from toolchains.bootlin.com:
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../sound/soc/bcm/allo-piano-dac-plus.c: In function ‘snd_allo_piano_dac_init’:
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../sound/soc/bcm/allo-piano-dac-plus.c:711:30: warning: argument to ‘sizeof’ in ‘memset’ call is the same expression as the destination; did you mean to dereference it? [-Wsizeof-pointer-memaccess]
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memset(glb_ptr, 0x00, sizeof(glb_ptr));
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^
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Suggested-by: Phil Elwell <phil@raspberrypi.org>
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Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
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---
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sound/soc/bcm/allo-piano-dac-plus.c | 3 +--
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1 file changed, 1 insertion(+), 2 deletions(-)
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--- a/sound/soc/bcm/allo-piano-dac-plus.c
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+++ b/sound/soc/bcm/allo-piano-dac-plus.c
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@@ -706,11 +706,10 @@ static int snd_allo_piano_dac_init(struc
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struct snd_soc_card *card = rtd->card;
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struct glb_pool *glb_ptr;
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- glb_ptr = kmalloc(sizeof(struct glb_pool), GFP_KERNEL);
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+ glb_ptr = kzalloc(sizeof(struct glb_pool), GFP_KERNEL);
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if (!glb_ptr)
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return -ENOMEM;
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- memset(glb_ptr, 0x00, sizeof(glb_ptr));
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card->drvdata = glb_ptr;
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glb_ptr->dual_mode = 2;
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glb_ptr->set_mode = 0;
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