[PATCH 1/3] pcmcia/cistpl: Delete error messages for a failed memory allocation in three functions

From: SF Markus Elfring
Date: Thu Dec 28 2017 - 16:46:08 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 28 Dec 2017 22:12:00 +0100

Omit extra messages for a memory allocation failure in these functions.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/pcmcia/cistpl.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c
index 102646fedb56..192c0e8e9c3d 100644
--- a/drivers/pcmcia/cistpl.c
+++ b/drivers/pcmcia/cistpl.c
@@ -379,10 +379,9 @@ int verify_cis_cache(struct pcmcia_socket *s)
return -EINVAL;

buf = kmalloc(256, GFP_KERNEL);
- if (buf == NULL) {
- dev_warn(&s->dev, "no memory for verifying CIS\n");
+ if (!buf)
return -ENOMEM;
- }
+
mutex_lock(&s->ops_mutex);
list_for_each_entry(cis, &s->cis_cache, node) {
int len = cis->len;
@@ -419,7 +418,6 @@ int pcmcia_replace_cis(struct pcmcia_socket *s,
kfree(s->fake_cis);
s->fake_cis = kmalloc(len, GFP_KERNEL);
if (s->fake_cis == NULL) {
- dev_warn(&s->dev, "no memory to replace CIS\n");
mutex_unlock(&s->ops_mutex);
return -ENOMEM;
}
@@ -1395,14 +1393,12 @@ int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *info)
mutex_unlock(&s->ops_mutex);

tuple = kmalloc(sizeof(*tuple), GFP_KERNEL);
- if (tuple == NULL) {
- dev_warn(&s->dev, "no memory to validate CIS\n");
+ if (!tuple)
return -ENOMEM;
- }
+
p = kmalloc(sizeof(*p), GFP_KERNEL);
if (p == NULL) {
kfree(tuple);
- dev_warn(&s->dev, "no memory to validate CIS\n");
return -ENOMEM;
}

--
2.15.1