can: slcan: Fix spinlock variant

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slc_xmit is called within softirq context and locks sl->lock, but
slcan_write_wakeup is not softirq context, so we need to use
spin_[un]lock_bh!
Detected using kernel lock debugging mechanism.

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

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Alexander Stein 2014-04-15 16:51:04 +02:00 • committed by Marc Kleine-Budde

parent d482443244

commit 367525c8c2

1 changed files with 3 additions and 3 deletions

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drivers/net/can/slcan.c

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