Dave Jiang
2eab9b1a30
dmaengine: ioatdma: fix uninitialized array usage ...
Static analysis showed that unitialized array is being used for compare.
At line 850 when a dma_mapping_error() occurs, it jumps to dma_unmap. At
this point, dma_srcs has not been initialized. However, the code after
dma_unmap label checks dma_srcs for a comparison and thus is comparing
to random garbage in the array. Given that when dest_dma is being mapped
this is the first instance of mapping DMA memory and failed, there is
really nothing to be cleaned up and thus should jump to free_resources
label instead.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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2eab9b1a30