From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/tools/virtio/linux/err.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 kernel/tools/virtio/linux/err.h (limited to 'kernel/tools/virtio/linux/err.h') diff --git a/kernel/tools/virtio/linux/err.h b/kernel/tools/virtio/linux/err.h new file mode 100644 index 000000000..e32eff8b2 --- /dev/null +++ b/kernel/tools/virtio/linux/err.h @@ -0,0 +1,26 @@ +#ifndef ERR_H +#define ERR_H +#define MAX_ERRNO 4095 + +#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO) + +static inline void * __must_check ERR_PTR(long error) +{ + return (void *) error; +} + +static inline long __must_check PTR_ERR(const void *ptr) +{ + return (long) ptr; +} + +static inline long __must_check IS_ERR(const void *ptr) +{ + return IS_ERR_VALUE((unsigned long)ptr); +} + +static inline long __must_check IS_ERR_OR_NULL(const void *ptr) +{ + return !ptr || IS_ERR_VALUE((unsigned long)ptr); +} +#endif /* ERR_H */ -- cgit 1.2.3-korg