Comment 2 for bug 1232997

StacktraceTop:
 ?? ()
 ptp_transaction_new (params=0x7fde34009ee0, ptp=0x7fde1e7fbbd0, flags=<optimized out>, sendlen=0, handler=0x7fde1e7fbb60) at ptp.c:152
 ptp_transaction (params=params@entry=0x7fde34009ee0, ptp=ptp@entry=0x7fde1e7fbbd0, flags=flags@entry=2, sendlen=sendlen@entry=0, data=data@entry=0x7fde1e7fbbc8, recvlen=recvlen@entry=0x7fde1e7fbbc4) at ptp.c:400
 ptp_getstorageids (params=params@entry=0x7fde34009ee0, storageids=storageids@entry=0x7fde1e7fbc40) at ptp.c:596
 LIBMTP_Get_Storage (device=device@entry=0x7fde3401d290, sortby=sortby@entry=0) at libmtp.c:3960