[PATCH 4.2.y-ckt 053/273] ALSA: rawmidi: Remove kernel WARNING for NULL user-space buffer check

2016-03-07 Thread Kamal Mostafa
4.2.8-ckt5 -stable review patch. If anyone has any objections, please let me know. ---8< From: Takashi Iwai commit cc85f7a634cfaf9f0713c6aa06d08817424db37a upstream. NULL user-space buffer can be passed even in a

[PATCH 4.2.y-ckt 053/273] ALSA: rawmidi: Remove kernel WARNING for NULL user-space buffer check

2016-03-07 Thread Kamal Mostafa
4.2.8-ckt5 -stable review patch. If anyone has any objections, please let me know. ---8< From: Takashi Iwai commit cc85f7a634cfaf9f0713c6aa06d08817424db37a upstream. NULL user-space buffer can be passed even in a normal path, thus