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i3c: master: svc: Recycle unused IBI slot

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[ Upstream commit 3448a934ba6f803911ac084d05a2ffce507ea6c6 ]

In svc_i3c_master_handle_ibi(), an IBI slot is fetched from the pool
to store the IBI payload. However, when an error condition is encountered,
the function returns without recycling the IBI slot, resulting in an IBI
slot leak.

Fixes: c85e209b79 ("i3c: master: svc: fix ibi may not return mandatory data byte")
Signed-off-by: Stanley Chu <yschu@nuvoton.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20250829012309.3562585-3-yschu@nuvoton.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Stanley Chu 2025-08-29 09:23:09 +08:00 committed by Greg Kroah-Hartman
parent 20ff7004c9
commit 5477b00450
1 changed files with 1 additions and 0 deletions
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drivers/i3c/master/svc-i3c-master.c
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@ -369,6 +369,7 @@ static int svc_i3c_master_handle_ibi(struct svc_i3c_master *master,
SVC_I3C_MSTATUS_COMPLETE(val), 0, 1000);
if (ret) {
dev_err(master->dev, "Timeout when polling for COMPLETE\n");
i3c_generic_ibi_recycle_slot(data->ibi_pool, slot);
return ret;
}