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[ Upstream commit f16a3bb ] The driver is written as if platform_get_irq() returns 0 on errors (while actually it returns a negative error code), blithely passing these error codes to request_irq() (which takes *unsigned* IRQ #) -- which fails with -EINVAL. Add the necessary error check to the pre-existing *if* statement forcing the driver into the polling mode... Fixes: 4ad48e6 ("i2c: Renesas Highlander FPGA SMBus support") Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Wolfram Sang <wsa@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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