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authorMarkus Elfring <elfring@users.sourceforge.net>2015-01-16 14:05:46 +0100
committerDavid S. Miller <davem@davemloft.net>2015-01-17 23:54:59 -0500
commitb646c08e12c1879e1cfb94d3875e62024b706c4a (patch)
treed1d33b68b738e74a57041a985e99c54cf85543b2 /drivers/s390/net
parentee6edb9707cf2c50bc3df66b06df33a6aa8c9075 (diff)
downloadlinux-b646c08e12c1879e1cfb94d3875e62024b706c4a.tar.bz2
s390/net: Delete useless checks before function calls
The function debug_unregister() tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390/net')
-rw-r--r--drivers/s390/net/claw.c6
-rw-r--r--drivers/s390/net/lcs.c6
-rw-r--r--drivers/s390/net/netiucv.c9
3 files changed, 7 insertions, 14 deletions
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index 213e54ee8a66..d609ca09aa94 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -109,10 +109,8 @@ static debug_info_t *claw_dbf_trace;
static void
claw_unregister_debug_facility(void)
{
- if (claw_dbf_setup)
- debug_unregister(claw_dbf_setup);
- if (claw_dbf_trace)
- debug_unregister(claw_dbf_trace);
+ debug_unregister(claw_dbf_setup);
+ debug_unregister(claw_dbf_trace);
}
static int
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 92190aa20b9f..00b7d9c9fe48 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -88,10 +88,8 @@ static debug_info_t *lcs_dbf_trace;
static void
lcs_unregister_debug_facility(void)
{
- if (lcs_dbf_setup)
- debug_unregister(lcs_dbf_setup);
- if (lcs_dbf_trace)
- debug_unregister(lcs_dbf_trace);
+ debug_unregister(lcs_dbf_setup);
+ debug_unregister(lcs_dbf_trace);
}
static int
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index 7e91f54be7ba..33f7040d711d 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -487,12 +487,9 @@ DEFINE_PER_CPU(char[256], iucv_dbf_txt_buf);
static void iucv_unregister_dbf_views(void)
{
- if (iucv_dbf_setup)
- debug_unregister(iucv_dbf_setup);
- if (iucv_dbf_data)
- debug_unregister(iucv_dbf_data);
- if (iucv_dbf_trace)
- debug_unregister(iucv_dbf_trace);
+ debug_unregister(iucv_dbf_setup);
+ debug_unregister(iucv_dbf_data);
+ debug_unregister(iucv_dbf_trace);
}
static int iucv_register_dbf_views(void)
{