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| H A D | kwboot.c | diff 4469bd7b53acea642915e2bf0e3cb5dfa378a47e Tue Jul 03 11:10:31 CDT 2018 Willy Tarreau <w@1wt.eu> tools: kwboot: properly quit when read() returns 0
When kwboot is attached to a terminal which disappears such as one
connected via an unplugged USB cable, read() returns 0, making kwboot
loop until a key is pressed in the terminal. The only case where read()
may return 0 here is when the terminal is closed anyway, so let's
properly handle this one and report is similar to other errors.
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Stefan Roese <sr@denx.de>
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