tree b51d2d6d4b1f83c276d81a72d4522ec701aa4354
parent 3d831d925c6d66569a0c7f6f5f17c0927f7d3d25
author Andi Kleen <ak@suse.de> 1137015894 +0100
committer Linus Torvalds <torvalds@g5.osdl.org> 1137035096 -0800

[PATCH] i386: make pci_map_single/pci_map_sg warn for zero length.

As suggested by Linus.

This catches driver bugs that could cause corruption on IOMMU architectures.

Also I converted the BUGs to out_of_line_bug()s to save a bit
of text space.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>