greybus: gb-beagleplay: Fix timeout handling in bootloader functions

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[ Upstream commit e6df0f649c ]

wait_for_completion_timeout() returns the remaining jiffies
(at least 1) on success or 0 on timeout, but never negative
error codes. The current code incorrectly checks for negative
values, causing timeouts to be ignored and treated as success.

Check for a zero return value to correctly identify and
handle timeout events.

Fixes: 0cf7befa3e ("greybus: gb-beagleplay: Add firmware upload API")
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Link: https://patch.msgid.link/20251121064027.571-1-vulab@iscas.ac.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Haotian Zhang 2025-11-21 14:40:27 +08:00 • committed by Greg Kroah-Hartman

parent 80c2106b09

commit 1b3eb9500f

1 changed files with 6 additions and 6 deletions

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drivers/greybus/gb-beagleplay.c

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