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(parent: 5bf6c07) | patch
drivers/tty/hvc/hvc_tile.c: properly return -EAGAIN
authorChris Metcalf <cmetcalf@ezchip.com>
Mon, 4 May 2015 21:25:12 +0000 (17:25 -0400)
committerChris Metcalf <cmetcalf@ezchip.com>
Mon, 11 May 2015 15:22:20 +0000 (11:22 -0400)
commitb4287df82991ca608f44d7ac12ad9b3bc39d5baa
treeea4d20b3e8971dd6526b366cbfa2fb1770bfd277tree | snapshot
parent5bf6c07a1843813d0065feaaecba622d49148d7ecommit | diff
drivers/tty/hvc/hvc_tile.c: properly return -EAGAIN

We were returning zero if no bytes could be written to the Tilera
hypervisor console device, but this causes the output to be truncated.
By returning -EAGAIN the tty hvc driver will come back and try again,
which gives the semantics we want, and avoids dropping console output.

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>
drivers/tty/hvc/hvc_tile.c diff | blob | history
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