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RAS: Fix return value from show_trace()

Browse source 
Documentation/filesystems/seq_file.rst describes the possible return
values from a "show()" function used by single_open().

show_trace() returns the value of "trace_count". This could be
interpreted as "SEQ_SKIP", or just confuse the calling function.

Change to just return "0" to avoid confusing anyone reading this code
and possibly using as a template. Reading "daemon_active" was never
an intended use case.

Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20221018165900.109029-1-tony.luck@intel.com
This commit is contained in:
Tony Luck 2022-10-18 09:59:00 -07:00 • committed by Borislav Petkov
parent a51cbd0d86
commit 50865c14f3
1 changed files with 1 additions and 1 deletions
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2
drivers/ras/debugfs.c
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@ -15,7 +15,7 @@ EXPORT_SYMBOL_GPL(ras_userspace_consumers);
static int trace_show(struct seq_file *m, void *v)
{
return atomic_read(&trace_count);
return 0;
}
static int trace_open(struct inode *inode, struct file *file)