[PATCH AUTOSEL for 3.18 012/101] sparc64: ldc abort during vds iso boot

From: Jag Raman [ Upstream commit 6c95483b768c62f8ee933ae08a1bdbcb78b5410f ] Orabug: 20902628 When an ldc control-only packet is received during data exchange in read_nonraw(), a new rx head is calculated but the rx queue head is not actually advanced (rx_set_head() is

[PATCH AUTOSEL for 3.18 012/101] sparc64: ldc abort during vds iso boot

From: Jag Raman [ Upstream commit 6c95483b768c62f8ee933ae08a1bdbcb78b5410f ] Orabug: 20902628 When an ldc control-only packet is received during data exchange in read_nonraw(), a new rx head is calculated but the rx queue head is not actually advanced (rx_set_head() is not called) and a branch