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[ Upstream commitbd07f75120] devm_kasprintf() returns NULL when memory allocation fails. Currently, uclogic_input_configured() does not check for this case, which results in a NULL pointer dereference. Add NULL check after devm_kasprintf() to prevent this issue. Fixes:dd613a4e45("HID: uclogic: Correct devm device reference for hidinput input_dev name") Signed-off-by: Henry Martin <bsdhenrymartin@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.com> Signed-off-by: Sasha Levin <sashal@kernel.org>