diff options
| author |   Markus Elfring <elfring@users.sourceforge.net> | 2015-01-16 14:05:46 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-01-17 23:54:59 -0500 |
| commit | b646c08e12c1879e1cfb94d3875e62024b706c4a (patch) | |
| tree | d1d33b68b738e74a57041a985e99c54cf85543b2 /drivers | |
| parent | s390/ctcm, netiucv: migrate variables to handle y2038 problem (diff) | |
| download | linux-dev-b646c08e12c1879e1cfb94d3875e62024b706c4a.tar.xz linux-dev-b646c08e12c1879e1cfb94d3875e62024b706c4a.zip | |
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')
| -rw-r--r-- | drivers/s390/net/claw.c | 6 | ||||
| -rw-r--r-- | drivers/s390/net/lcs.c | 6 | ||||
| -rw-r--r-- | drivers/s390/net/netiucv.c | 9 |
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) { |