[PATCH] ide: fix kmalloc_node breakage in ide driver
Patch fixes oops caused by ide interfaces not on pci. pcibus_to_node causes the kernel to crash otherwise. Patch also adds a BUG_ON to check if hwif is NULL. Signed-off-by: Christoph Lameter <christoph@lameter.com> Signed-off-by: Shai Fultheim <shai@scalex86.org> Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org> Cc: Andi Kleen <ak@muc.de> Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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