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authorAndrey Smirnov <andrew.smirnov@gmail.com>2019-05-13 16:59:08 -0700
committerSascha Hauer <s.hauer@pengutronix.de>2019-05-15 10:09:41 +0200
commite6a025abdd2fcd60962d8f6a1f52048e52e35c78 (patch)
tree78adf618a7ed404cbe9e15f77396f2777f0f7a68 /commands
parente0600e1fe20856cfbefb2d8f798076c7694a9e24 (diff)
downloadbarebox-e6a025abdd2fcd60962d8f6a1f52048e52e35c78.tar.gz
serdev: Do not call .receive_buf() callback recursively
Code implementing .receive_buf() callback can potentially call serdev_device_write(), which will call serdev_device_poller(). We need to make sure that such a call is a no-op in order to prevent corrupting shared data buffer as well as breaking .receive_buf callback that most likely does not expect that to happen. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Tested-by: Cory Tusar <cory.tusar@zii.aero> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'commands')
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