diff options
| author | Markus Elfring | 2015-11-16 14:45:40 +0100 |
|---|---|---|
| committer | Martin Schwidefsky | 2015-11-27 09:24:16 +0100 |
| commit | a6e975c5f8fd8652fc5ab754236ec155a228d452 (patch) | |
| tree | e8b2f018da3b7fadda483f5f606235c293a17e38 /drivers/s390/cio | |
| parent | s390/pci_dma: fix DMA table corruption with > 4 TB main memory (diff) | |
| download | kernel-qcow2-linux-a6e975c5f8fd8652fc5ab754236ec155a228d452.tar.gz kernel-qcow2-linux-a6e975c5f8fd8652fc5ab754236ec155a228d452.tar.xz kernel-qcow2-linux-a6e975c5f8fd8652fc5ab754236ec155a228d452.zip | |
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/cio')
| -rw-r--r-- | drivers/s390/cio/chsc_sch.c | 3 | ||||
| -rw-r--r-- | drivers/s390/cio/cio.c | 9 | ||||
| -rw-r--r-- | drivers/s390/cio/qdio_debug.c | 6 |
3 files changed, 6 insertions, 12 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); } |