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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>
This commit is contained in:
Markus Elfring 2015-01-16 14:05:46 +01:00 committed by David S. Miller
parent ee6edb9707
commit b646c08e12
3 changed files with 7 additions and 14 deletions
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6
drivers/s390/net/claw.c
View File

@ -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

6
drivers/s390/net/lcs.c
View File

@ -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

9
drivers/s390/net/netiucv.c
View File

@ -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)
{