kobject: don't use WARN for registration failures
commit 3e14c6abbf
upstream.
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: Dmitry 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
parent
6840b774dc
commit
a5f4276787
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@ -234,14 +234,12 @@ static int kobject_add_internal(struct kobject *kobj)
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/* be noisy on error issues */
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if (error == -EEXIST)
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WARN(1, "%s failed for %s with "
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"-EEXIST, don't try to register things with "
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"the same name in the same directory.\n",
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__func__, kobject_name(kobj));
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pr_err("%s failed for %s with -EEXIST, don't try to register things with the same name in the same directory.\n",
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__func__, kobject_name(kobj));
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else
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WARN(1, "%s failed for %s (error: %d parent: %s)\n",
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__func__, kobject_name(kobj), error,
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parent ? kobject_name(parent) : "'none'");
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pr_err("%s failed for %s (error: %d parent: %s)\n",
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__func__, kobject_name(kobj), error,
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parent ? kobject_name(parent) : "'none'");
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} else
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kobj->state_in_sysfs = 1;
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