linux-kernel - [PATCH] drivers/char: don't use IS

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Date:	Wed, 10 Aug 2011 19:41:49 +0200
From:	Thomas Meyer <thomas@...3r.de>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Niranjana Vishwanathapura <nvishwan@...eaurora.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH] drivers/char: don't use IS_ERR()

From: Thomas Meyer <thomas@...3r.de>

 The various basic memory allocation functions don't return ERR_PTR

 The semantic patch that makes this change is available
 in scripts/coccinelle/null/eno.cocci.

 More information about semantic patching is available at
 http://coccinelle.lip6.fr/

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

diff --git a/drivers/char/msm_smd_pkt.c b/drivers/char/msm_smd_pkt.c
index b6f8a65..ceece48 100644
--- a/drivers/char/msm_smd_pkt.c
+++ b/drivers/char/msm_smd_pkt.c
@@ -379,9 +379,8 @@ static int __init smd_pkt_init(void)
 	for (i = 0; i < NUM_SMD_PKT_PORTS; ++i) {
 		smd_pkt_devp[i] = kzalloc(sizeof(struct smd_pkt_dev),
 					  GFP_KERNEL);
-		if (IS_ERR(smd_pkt_devp[i])) {
-			r = PTR_ERR(smd_pkt_devp[i]);
-			pr_err("kmalloc() failed %d\n", r);
+		if (!smd_pkt_devp[i]) {
+			pr_err("kmalloc() failed\n");
 			goto clean_cdevs;
 		}
 


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