jme: Fix DMA unmap warning

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The jme driver forgot to check the return status from pci_map_page in its tx
path, causing a dma api warning on unmap.  Easy fix, just do the check and
augment the tx path to tell the stack that the driver is busy so we re-queue the
frame.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Guo-Fu Tseng <cooldavid@cooldavid.org>
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Neil Horman 2014-05-05 14:51:47 -04:00 • committed by David S. Miller

parent d32aebfd64

commit 76a691d0ab

1 changed files with 47 additions and 6 deletions

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53

drivers/net/ethernet/jme.c

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