From a3539c82cb38366151019438ea841e8ae47cb1c2 Mon Sep 17 00:00:00 2001 From: Mathias Kresin Date: Sun, 7 Jul 2019 17:13:18 +0200 Subject: [PATCH] ltq-atm: add Linux 5.0+ compatibility Upstream commit 96d4f267e40f95 ("Remove 'type' argument from access_ok() function") removes the first argument to access_ok. Adjust the code so it builds with Linux 5.4. Signed-off-by: Martin Blumenstingl Signed-off-by: Mathias Kresin --- package/kernel/lantiq/ltq-atm/src/ltq_atm.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/package/kernel/lantiq/ltq-atm/src/ltq_atm.c b/package/kernel/lantiq/ltq-atm/src/ltq_atm.c index 6e6f4c66c7..267a515df6 100644 --- a/package/kernel/lantiq/ltq-atm/src/ltq_atm.c +++ b/package/kernel/lantiq/ltq-atm/src/ltq_atm.c @@ -289,9 +289,17 @@ static int ppe_ioctl(struct atm_dev *dev, unsigned int cmd, void *arg) return -ENOTTY; if ( _IOC_DIR(cmd) & _IOC_READ ) +#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,0,0) + ret = !access_ok(arg, _IOC_SIZE(cmd)); +#else ret = !access_ok(VERIFY_WRITE, arg, _IOC_SIZE(cmd)); +#endif else if ( _IOC_DIR(cmd) & _IOC_WRITE ) +#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,0,0) + ret = !access_ok(arg, _IOC_SIZE(cmd)); +#else ret = !access_ok(VERIFY_READ, arg, _IOC_SIZE(cmd)); +#endif if ( ret ) return -EFAULT; -- 2.30.2