From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxxxxxx>
---
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
--
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