libata: fix G5 SATA broken on -rc5
libata: fix G5 SATA broken on -rc5

Fix G5 SATA irq 18: nobody cared, reported on -rc5 by Olaf Hering:
fixlet to a57c1bade5a0ee5cd8b74502db9cbebb7f5780b2 libata-sff:
Fix oops reported in kerneloops.org for pnp devices with no ctl

Signed-off-by: Hugh Dickins <a6c5230a10c458028ff1bd5985dd47c394028d47@veritas.com>
Acked-by: Alan Cox <91e38e63b890fbb214c8914809fde03c73e7f24d@lxorguk.ukuu.org.uk>
Tested-by: Olaf Hering <ded022db89399a060a39da31922f173c6556c2d9@aepfle.de>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs