From: SF Markus Elfring <elfring@users.sourceforge.net>
To: linuxppc-dev@lists.ozlabs.org,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Daniel Axtens <dja@axtens.net>,
Geliang Tang <geliangtang@163.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Nathan Fontenot <nfont@linux.vnet.ibm.com>,
Pan Xinhui <xinhui.pan@linux.vnet.ibm.com>,
Paul Gortmaker <paul.gortmaker@windriver.com>,
Paul Mackerras <paulus@samba.org>
Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org
Subject: [PATCH 5/8] powerpc/nvram: Return directly after a failed kmalloc() in dev_nvram_read()
Date: Thu, 19 Jan 2017 17:59:00 +0100 [thread overview]
Message-ID: <60b730d9-c683-a6ee-42fb-1c874ad86205@users.sourceforge.net> (raw)
In-Reply-To: <53545d97-6ed5-ff17-384f-82e72b3592f9@users.sourceforge.net>
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Thu, 19 Jan 2017 16:50:31 +0100
Return directly after a call of the function "kmalloc" failed here.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
arch/powerpc/kernel/nvram_64.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c
index 463551589b97..68b970bcf2fc 100644
--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -762,10 +762,8 @@ static ssize_t dev_nvram_read(struct file *file, char __user *buf,
count = min(count, PAGE_SIZE);
tmp = kmalloc(count, GFP_KERNEL);
- if (!tmp) {
- ret = -ENOMEM;
- goto out;
- }
+ if (!tmp)
+ return -ENOMEM;
ret = ppc_md.nvram_read(tmp, count, ppos);
if (ret <= 0)
--
2.11.0
next prev parent reply other threads:[~2017-01-19 20:44 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-19 16:52 [PATCH 0/8] PowerPC-NVRAM: Fine-tuning for some function implementations SF Markus Elfring
2017-01-19 16:53 ` [PATCH 1/8] powerpc/nvram: Return directly after a failed parameter validation in dev_nvram_write() SF Markus Elfring
2017-01-19 16:55 ` [PATCH 2/8] powerpc/nvram: Return directly after a failed kmalloc() " SF Markus Elfring
2017-01-19 16:56 ` [PATCH 3/8] powerpc/nvram: Move an assignment for the variable "ret" " SF Markus Elfring
2017-01-20 0:24 ` Tyrel Datwyler
2017-01-20 7:08 ` SF Markus Elfring
2017-01-20 20:52 ` Tyrel Datwyler
2017-01-19 16:57 ` [PATCH 4/8] powerpc/nvram: Return directly after a failed parameter validation in dev_nvram_read() SF Markus Elfring
2017-01-19 16:59 ` SF Markus Elfring [this message]
2017-01-19 17:00 ` [PATCH 6/8] powerpc/nvram: Delete three error messages for a failed memory allocation SF Markus Elfring
2017-01-19 17:03 ` [PATCH 7/8] powerpc/nvram: Improve size determinations in three functions SF Markus Elfring
2017-01-19 17:05 ` [PATCH 8/8] powerpc/nvram: Move an assignment for the variable "err" in nvram_scan_partitions() SF Markus Elfring
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