can: peak/pcie_fd: fix potential bug in restarting tx queue

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Don't rely on can_get_echo_skb() return value to wake the network tx
queue up: can_get_echo_skb() returns 0 if the echo array slot was not
occupied, but also when the DLC of the released echo frame was 0.

Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

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Stephane Grosjean 2017-12-07 16:13:43 +01:00 • committed by Marc Kleine-Budde

parent 12147edc43

commit 91785de6f9

1 changed files with 3 additions and 6 deletions

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drivers/net/can/peak_canfd/peak_canfd.c

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