um: Reap winch thread if it fails

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When the winch thread runs into an error condition, it would exit(1) and
never be reaped until shutdown time. Change this to write a command byte
which causes the driver to kill it, therefore reaping the child.

Signed-off-by: Benjamin Berg <benjamin@sipsolutions.net>
Signed-off-by: Richard Weinberger <richard@nod.at>

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Benjamin Berg 2023-11-10 12:03:43 +01:00 • committed by Richard Weinberger

parent 1818b84066

commit 139e6e8ef6

2 changed files with 19 additions and 10 deletions

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16

arch/um/drivers/chan_user.c

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13

arch/um/drivers/line.c

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