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s390/dasd: remove unnecessary null test before debugfs_remove

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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>
This commit is contained in:
Fabian Frederick 2014-06-26 19:41:46 +02:00 committed by Martin Schwidefsky
parent 852eb1aa2b
commit d7309aaadd
1 changed files with 8 additions and 17 deletions
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25
drivers/s390/block/dasd.c
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@ -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)