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[ Upstream commitab5b769a23] gasket_interrupt_set_eventfd() misses to call eventfd_ctx_put() in an error path. We check interrupt is valid before calling eventfd_ctx_fdget() to fix it. There is the same issue in gasket_interrupt_clear_eventfd(), Add the missed function call to fix it. Fixes:9a69f5087c("drivers/staging: Gasket driver framework + Apex driver") Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com> Link: https://lore.kernel.org/r/20201112064924.99680-1-jingxiangfeng@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>