[PATCH 3.19.y-ckt 115/128] isdn: Partially revert debug format string usage clean up

3.19.8-ckt12 -stable review patch. If anyone has any objections, please let me know. -- From: Christoph Biedl commit 19cebbcb04c8277bb8a7905957c8af11967c4e28 upstream. Commit 35a4a57 ("isdn: clean up debug format string usage") introduced a safeguard to avoid accidential

[PATCH 3.19.y-ckt 115/128] isdn: Partially revert debug format string usage clean up

3.19.8-ckt12 -stable review patch. If anyone has any objections, please let me know. -- From: Christoph Biedl commit 19cebbcb04c8277bb8a7905957c8af11967c4e28 upstream. Commit 35a4a57 ("isdn: clean up debug format string usage")