tree ef469e03be53c3334d6cfd93d92f11b06c025538
parent d567760c409f981d35fc755b51d5bf56a99a467b
author Matthew Wilcox <matthew.r.wilcox@intel.com> 1297357269 -0500
committer Matthew Wilcox <matthew.r.wilcox@intel.com> 1320436377 -0400

NVMe: Check for DMA mapping failure

If dma_map_sg returns 0 (failure), we need to fail the I/O.

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>