From: SF Markus Elfring <elfring@users.sourceforge.net>
To: user-mode-linux-devel@lists.sourceforge.net,
user-mode-linux-user@lists.sourceforge.net,
Anton Ivanov <aivanov@kot-begemot.co.uk>,
Dan Williams <dan.j.williams@intel.com>,
Hannes Reinecke <hare@suse.com>, Jeff Dike <jdike@addtoit.com>,
Jens Axboe <axboe@fb.com>, Richard Weinberger <richard@nod.at>
Cc: LKML <linux-kernel@vger.kernel.org>,
kernel-janitors@vger.kernel.org, Wolfram Sang <wsa@the-dreams.de>
Subject: [PATCH 2/5] um: port: Delete three error messages for a failed memory allocation
Date: Wed, 18 Jan 2017 22:57:30 +0100 [thread overview]
Message-ID: <651ecf90-9c68-aec1-58d7-d11e7671ed4c@users.sourceforge.net> (raw)
In-Reply-To: <c10b7f33-f573-aa9f-239e-ccca5540f264@users.sourceforge.net>
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 18 Jan 2017 22:00:14 +0100
The script "checkpatch.pl" pointed information out like the following.
WARNING: Possible unnecessary 'out of memory' message
Thus fix the affected source code places.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
arch/um/drivers/port_kern.c | 13 +++----------
1 file changed, 3 insertions(+), 10 deletions(-)
diff --git a/arch/um/drivers/port_kern.c b/arch/um/drivers/port_kern.c
index b2bbda21c5f3..c96741e920f5 100644
--- a/arch/um/drivers/port_kern.c
+++ b/arch/um/drivers/port_kern.c
@@ -87,11 +87,8 @@ static int port_accept(struct port_list *port)
}
conn = kmalloc(sizeof(*conn), GFP_ATOMIC);
- if (conn == NULL) {
- printk(KERN_ERR "port_accept : failed to allocate "
- "connection\n");
+ if (!conn)
goto out_close;
- }
*conn = ((struct connection)
{ .list = LIST_HEAD_INIT(conn->list),
.fd = fd,
@@ -170,10 +167,8 @@ void *port_data(int port_num)
goto found;
}
port = kmalloc(sizeof(struct port_list), GFP_KERNEL);
- if (port == NULL) {
- printk(KERN_ERR "Allocation of port list failed\n");
+ if (!port)
goto out;
- }
fd = port_listen_fd(port_num);
if (fd < 0) {
@@ -202,10 +197,8 @@ void *port_data(int port_num)
found:
dev = kmalloc(sizeof(struct port_dev), GFP_KERNEL);
- if (dev == NULL) {
- printk(KERN_ERR "Allocation of port device entry failed\n");
+ if (!dev)
goto out;
- }
*dev = ((struct port_dev) { .port = port,
.helper_pid = -1,
--
2.11.0
next prev parent reply other threads:[~2017-01-18 21:57 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-18 21:55 [PATCH 0/5] UM: Fine-tuning for some function implementations SF Markus Elfring
2017-01-18 21:56 ` [PATCH 1/5] um: port: Move an assignment for the variable "fd" in port_wait() SF Markus Elfring
2017-01-19 0:03 ` Jeff Dike
2017-01-18 21:57 ` SF Markus Elfring [this message]
2017-01-19 0:07 ` [PATCH 2/5] um: port: Delete three error messages for a failed memory allocation Jeff Dike
2017-01-19 9:38 ` SF Markus Elfring
2017-01-18 21:58 ` [PATCH 3/5] um: port: Improve size determinations in port_data() SF Markus Elfring
2017-01-18 21:59 ` [PATCH 4/5] um: ubd: Move two assignments for the variable "err" in ubd_remove() SF Markus Elfring
2017-01-18 22:00 ` [PATCH 5/5] um: ubd: Improve size determinations in do_ubd_request() SF Markus Elfring
2017-01-19 7:56 ` [PATCH 0/5] UM: Fine-tuning for some function implementations Richard Weinberger
2017-01-19 17:13 ` SF Markus Elfring
2017-01-19 18:44 ` Anton Ivanov
2017-01-20 5:11 ` [PATCH 0/5] " Jeff Dike
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