Commit 3e14c6ab authored by Dmitry Vyukov's avatar Dmitry Vyukov Committed by Greg Kroah-Hartman

kobject: don't use WARN for registration failures

This WARNING proved to be noisy. The function still returns an error
and callers should handle it. That's how most of kernel code works.
Downgrade the WARNING to pr_err() and leave WARNINGs for kernel bugs.
Signed-off-by: default avatarDmitry Vyukov <dvyukov@google.com>
Reported-by: syzbot+209c0f67f99fec8eb14b@syzkaller.appspotmail.com
Reported-by: syzbot+7fb6d9525a4528104e05@syzkaller.appspotmail.com
Reported-by: syzbot+2e63711063e2d8f9ea27@syzkaller.appspotmail.com
Reported-by: syzbot+de73361ee4971b6e6f75@syzkaller.appspotmail.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent df9267f1
......@@ -233,11 +233,10 @@ static int kobject_add_internal(struct kobject *kobj)
/* be noisy on error issues */
if (error == -EEXIST)
WARN(1,
"%s failed for %s with -EEXIST, don't try to register things with the same name in the same directory.\n",
pr_err("%s failed for %s with -EEXIST, don't try to register things with the same name in the same directory.\n",
__func__, kobject_name(kobj));
else
WARN(1, "%s failed for %s (error: %d parent: %s)\n",
pr_err("%s failed for %s (error: %d parent: %s)\n",
__func__, kobject_name(kobj), error,
parent ? kobject_name(parent) : "'none'");
} else
......
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