build/patch/kernel/archive/sunxi-6.1/patches.megous/input-cyttsp4-Fix-probe-oops.patch

30 lines
900 B
Diff

From 2fc6c618b3d9bb238529dba08e916444107f6574 Mon Sep 17 00:00:00 2001
From: Ondrej Jirman <megi@xff.cz>
Date: Fri, 11 Mar 2022 22:01:10 +0100
Subject: [PATCH 085/389] input: cyttsp4: Fix probe oops
__set_bit is called with bit offset -1 which causes oops.
Signed-off-by: Ondrej Jirman <megi@xff.cz>
---
drivers/input/touchscreen/cyttsp4_core.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/input/touchscreen/cyttsp4_core.c b/drivers/input/touchscreen/cyttsp4_core.c
index f3751b3b64a0..76c2f5d27c17 100644
--- a/drivers/input/touchscreen/cyttsp4_core.c
+++ b/drivers/input/touchscreen/cyttsp4_core.c
@@ -1907,6 +1907,9 @@ static int cyttsp4_setup_input_device(struct cyttsp4 *cd)
for (i = 0; i < cd->n_signals; i++) {
signal = &cd->signals[i];
+ if (signal->signal < 0)
+ continue;
+
__set_bit(signal->signal, cd->input->absbit);
max = signal->max;
--
2.35.3