summaryrefslogtreecommitdiff
path: root/drivers/s390
diff options
context:
space:
mode:
authorMarkus Elfring <elfring@users.sourceforge.net>2015-11-16 14:45:40 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2015-11-27 09:24:16 +0100
commita6e975c5f8fd8652fc5ab754236ec155a228d452 (patch)
treee8b2f018da3b7fadda483f5f606235c293a17e38 /drivers/s390
parent69eea95c48857c9dfcac120d6acea43027627b28 (diff)
s390: Delete unnecessary checks before the function call "debug_unregister"
The debug_unregister() function performs also input parameter validation. Thus the test around the calls is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/cio/chsc_sch.c3
-rw-r--r--drivers/s390/cio/cio.c9
-rw-r--r--drivers/s390/cio/qdio_debug.c6
-rw-r--r--drivers/s390/crypto/zcrypt_api.c6
4 files changed, 8 insertions, 16 deletions
diff --git a/drivers/s390/cio/chsc_sch.c b/drivers/s390/cio/chsc_sch.c
index 213159dec89e..378c57178bb8 100644
--- a/drivers/s390/cio/chsc_sch.c
+++ b/drivers/s390/cio/chsc_sch.c
@@ -185,8 +185,7 @@ static int __init chsc_init_dbfs(void)
debug_set_level(chsc_debug_log_id, 2);
return 0;
out:
- if (chsc_debug_msg_id)
- debug_unregister(chsc_debug_msg_id);
+ debug_unregister(chsc_debug_msg_id);
return -ENOMEM;
}
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index e0d02952a7f4..2d18205526b6 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -76,12 +76,9 @@ static int __init cio_debug_init(void)
return 0;
out_unregister:
- if (cio_debug_msg_id)
- debug_unregister(cio_debug_msg_id);
- if (cio_debug_trace_id)
- debug_unregister(cio_debug_trace_id);
- if (cio_debug_crw_id)
- debug_unregister(cio_debug_crw_id);
+ debug_unregister(cio_debug_msg_id);
+ debug_unregister(cio_debug_trace_id);
+ debug_unregister(cio_debug_crw_id);
return -1;
}
diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c
index f1f3baa8e6e4..b6fc147f83d8 100644
--- a/drivers/s390/cio/qdio_debug.c
+++ b/drivers/s390/cio/qdio_debug.c
@@ -366,8 +366,6 @@ void qdio_debug_exit(void)
{
qdio_clear_dbf_list();
debugfs_remove(debugfs_root);
- if (qdio_dbf_setup)
- debug_unregister(qdio_dbf_setup);
- if (qdio_dbf_error)
- debug_unregister(qdio_dbf_error);
+ debug_unregister(qdio_dbf_setup);
+ debug_unregister(qdio_dbf_error);
}
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 9f8fa42c062c..5d3d04c040c2 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -1428,10 +1428,8 @@ int __init zcrypt_debug_init(void)
void zcrypt_debug_exit(void)
{
debugfs_remove(debugfs_root);
- if (zcrypt_dbf_common)
- debug_unregister(zcrypt_dbf_common);
- if (zcrypt_dbf_devices)
- debug_unregister(zcrypt_dbf_devices);
+ debug_unregister(zcrypt_dbf_common);
+ debug_unregister(zcrypt_dbf_devices);
}
/**