s390/dasd: remove unnecessary null test before debugfs_remove

This fixes checkpatch warning:
"WARNING: debugfs_remove(NULL) is safe this check is probably not required"

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 1eef0f5..ea2729f 100644 (file)
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -283,8 +283,7 @@ static int dasd_state_basic_to_known(struct dasd_device *device)
 
        if (device->block) {
                dasd_profile_exit(&device->block->profile);
-               if (device->block->debugfs_dentry)
-                       debugfs_remove(device->block->debugfs_dentry);
+               debugfs_remove(device->block->debugfs_dentry);
                dasd_gendisk_free(device->block);
                dasd_block_clear_timer(device->block);
        }
@@ -293,9 +292,7 @@ static int dasd_state_basic_to_known(struct dasd_device *device)
                return rc;
        dasd_device_clear_timer(device);
        dasd_profile_exit(&device->profile);
-       if (device->debugfs_dentry)
-               debugfs_remove(device->debugfs_dentry);
-
+       debugfs_remove(device->debugfs_dentry);
        DBF_DEV_EVENT(DBF_EMERG, device, "%p debug area deleted", device);
        if (device->debug_area != NULL) {
                debug_unregister(device->debug_area);
@@ -1111,23 +1108,17 @@ static void dasd_profile_init(struct dasd_profile *profile,
 static void dasd_profile_exit(struct dasd_profile *profile)
 {
        dasd_profile_off(profile);
-       if (profile->dentry) {
-               debugfs_remove(profile->dentry);
-               profile->dentry = NULL;
-       }
+       debugfs_remove(profile->dentry);
+       profile->dentry = NULL;
 }
 
 static void dasd_statistics_removeroot(void)
 {
        dasd_global_profile_level = DASD_PROFILE_OFF;
-       if (dasd_global_profile_dentry) {
-               debugfs_remove(dasd_global_profile_dentry);
-               dasd_global_profile_dentry = NULL;
-       }
-       if (dasd_debugfs_global_entry)
-               debugfs_remove(dasd_debugfs_global_entry);
-       if (dasd_debugfs_root_entry)
-               debugfs_remove(dasd_debugfs_root_entry);
+       debugfs_remove(dasd_global_profile_dentry);
+       dasd_global_profile_dentry = NULL;
+       debugfs_remove(dasd_debugfs_global_entry);
+       debugfs_remove(dasd_debugfs_root_entry);
 }
 
 static void dasd_statistics_createroot(void)