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30 lines
884 B
Diff
30 lines
884 B
Diff
From 4909c2986e0c930ce9ee49e30f53eae3a1fd5abd Mon Sep 17 00:00:00 2001
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From: Ondrej Jirman <megi@xff.cz>
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Date: Fri, 11 Mar 2022 22:01:10 +0100
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Subject: input: cyttsp4: Fix probe oops
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__set_bit is called with bit offset -1 which causes oops.
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Signed-off-by: Ondrej Jirman <megi@xff.cz>
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---
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drivers/input/touchscreen/cyttsp4_core.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/drivers/input/touchscreen/cyttsp4_core.c b/drivers/input/touchscreen/cyttsp4_core.c
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index c353ac73c106..67cb72ad6620 100644
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--- a/drivers/input/touchscreen/cyttsp4_core.c
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+++ b/drivers/input/touchscreen/cyttsp4_core.c
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@@ -1903,6 +1903,9 @@ static int cyttsp4_setup_input_device(struct cyttsp4 *cd)
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for (i = 0; i < cd->n_signals; i++) {
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signal = &cd->signals[i];
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+ if (signal->signal < 0)
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+ continue;
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+
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__set_bit(signal->signal, cd->input->absbit);
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max = signal->max;
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--
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2.35.3
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