linux-kernel - [PATCH 4/4] ALSA: emu10k1: Cocci spatch "alloc

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Message-ID: <1505975570447-568224618-4-diffsplit-thomas@m3y3r.de>
Date:   Thu, 21 Sep 2017 08:33:46 +0200
From:   Thomas Meyer <thomas@...3r.de>
To:     perex@...ex.cz, tiwai@...e.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 4/4] ALSA: emu10k1: Cocci spatch "alloc_cast"

Remove casting the values returned by memory allocation functions like
kmalloc, kzalloc, kmem_cache_alloc, kmem_cache_zalloc etc."
Found by coccinelle spatch "api/alloc/alloc_cast.cocci"

Signed-off-by: Thomas Meyer <thomas@...3r.de>
---

diff -u -p a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c
--- a/sound/pci/emu10k1/emufx.c
+++ b/sound/pci/emu10k1/emufx.c
@@ -1218,7 +1218,7 @@ static int _snd_emu10k1_audigy_init_efx(
 	if (!icode)
 		return err;
 
-	icode->gpr_map = (u_int32_t __user *) kcalloc(512 + 256 + 256 + 2 * 1024,
+	icode->gpr_map = kcalloc(512 + 256 + 256 + 2 * 1024,
 						      sizeof(u_int32_t), GFP_KERNEL);
 	if (!icode->gpr_map)
 		goto __err_gpr;
@@ -1853,7 +1853,7 @@ static int _snd_emu10k1_init_efx(struct
 	if (!icode)
 		return err;
 
-	icode->gpr_map = (u_int32_t __user *) kcalloc(256 + 160 + 160 + 2 * 512,
+	icode->gpr_map = kcalloc(256 + 160 + 160 + 2 * 512,
 						      sizeof(u_int32_t), GFP_KERNEL);
 	if (!icode->gpr_map)
 		goto __err_gpr;