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![Greg Kroah-Hartman](https://secure.gravatar.com/avatar/cbd18395260b6be2575187286a262f9a.jpg?s=96&d=mm)
Greg Kroah-Hartman committed cd98625b3e3
ath9k: do not return invalid pointers as a *dentry When calling debugfs functions, they can now return error values if something went wrong. If that happens, return a NULL as a *dentry to the relay core instead of passing it an illegal pointer. The relay core should be able to handle an illegal pointer, but add this check to be safe. Cc: Kalle Valo <kvalo@codeaurora.org> Cc: QCA ath9k Development <ath9k-devel@qca.qualcomm.com> Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>