x86/irq: Drop unlikely before IS_ERR_OR_NULL
x86/irq: Drop unlikely before IS_ERR_OR_NULL

IS_ERR_OR_NULL already contain an unlikely compiler flag. Drop it.

Signed-off-by: Geliang Tang <d12999005f6151b9468b6f2bd6d86bf9f7b59e02@163.com>
Cc: Brian Gerst <e60badcb99f652a0bcc15460d39f7ea12d6655ee@gmail.com>
Cc: Andy Lutomirski <2cc0d0d76de2e6f37b92deeb83c85cb306fc5dc1@kernel.org>
Link: http://lkml.kernel.org/r/03d18502ed7ed417f136c091f417d2d88c147ec6.1443667610.git.d12999005f6151b9468b6f2bd6d86bf9f7b59e02@163.com
Signed-off-by: Thomas Gleixner <00e4cf8f46a57000a44449bf9dd8cbbcc209fd2a@linutronix.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs