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linux/drivers/hid/hid-multitouch.c
Charles Han 62f8bf0626 HID: multitouch: Add NULL check in mt_input_configured 
[ Upstream commit 9b8e2220d3 ]

devm_kasprintf() can return a NULL pointer on failure,but this
returned value in mt_input_configured() is not checked.
Add NULL check in mt_input_configured(), to handle kernel NULL
pointer dereference error.

Fixes: 4794394635 ("HID: multitouch: Correct devm device reference for hidinput input_dev name")
Signed-off-by: Charles Han <hanchunchao@inspur.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-02-21 13:57:06 +01:00

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