[PATCH 4.5 127/200] x86/apic: Handle zero vector gracefully in clear_vector_irq()

4.5-stable review patch. If anyone has any objections, please let me know. -- From: Keith Busch commit 1bdb8970392a68489b469c3a330a1adb5ef61beb upstream. If x86_vector_alloc_irq() fails x86_vector_free_irqs() is invoked to cleanup the already allocated

[PATCH 4.5 127/200] x86/apic: Handle zero vector gracefully in clear_vector_irq()

4.5-stable review patch. If anyone has any objections, please let me know. -- From: Keith Busch commit 1bdb8970392a68489b469c3a330a1adb5ef61beb upstream. If x86_vector_alloc_irq() fails x86_vector_free_irqs() is invoked to cleanup the already allocated vectors. This