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s390/debug: Remove s390dbf_sysctl_header variable

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allmodconfig with clang W=1 points out an unused global variable:

arch/s390/kernel/debug.c:1237:33: error: variable
 's390dbf_sysctl_header' set but not used [-Werror,-Wunused-but-set-global]

Just remove the variable. There is no point in adding error handling for a
failing register_sysctl() call.

Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2026-05-19 08:20:40 +02:00 committed by Alexander Gordeev
parent e648e004e4
commit 3f90f58eb7
1 changed files with 1 additions and 3 deletions
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4
arch/s390/kernel/debug.c
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@ -1234,8 +1234,6 @@ static const struct ctl_table s390dbf_table[] = {
},
};
static struct ctl_table_header *s390dbf_sysctl_header;
/**
* debug_stop_all() - stops the debug feature if stopping is allowed.
*
@ -1825,7 +1823,7 @@ EXPORT_SYMBOL(debug_sprintf_format_fn);
*/
static int __init debug_init(void)
{
s390dbf_sysctl_header = register_sysctl("s390dbf", s390dbf_table);
register_sysctl("s390dbf", s390dbf_table);
mutex_lock(&debug_mutex);
debug_debugfs_root_entry = debugfs_create_dir(DEBUG_DIR_ROOT, NULL);
initialized = 1;