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由 James Bottomley 提交于
Following reports on the list, it looks like the 3e-9xxx driver will leak dma mappings every time we get a transient queueing error back from the card. This is because it maps the sg list in the routine that sends the command, but doesn't unmap again in the transient failure path (even though the command is sent back to the block layer). Fix by unmapping before returning the status. Reported-by: NChris Boot <bootc@bootc.net> Tested-by: NChris Boot <bootc@bootc.net> Acked-by: NAdam Radford <aradford@gmail.com> Cc: stable@kernel.org Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>
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