Signed-off-by: Dan Smith <danms@xxxxxxxxxx>
Changes in v2:
- Compare against MAX_ERRNO instead of more stringent but obscure
constant
---
include/linux/checkpoint.h | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/include/linux/checkpoint.h b/include/linux/checkpoint.h
index 60d1116..b2c86a3 100644
--- a/include/linux/checkpoint.h
+++ b/include/linux/checkpoint.h
@@ -28,7 +28,7 @@
#include <linux/user_namespace.h>
#include <linux/checkpoint_types.h>
#include <linux/checkpoint_hdr.h>
-
+#include <linux/err.h>
/* ckpt_ctx: kflags */
#define CKPT_CTX_CHECKPOINT_BIT 0
@@ -257,6 +257,10 @@ extern void *restore_sighand(struct ckpt_ctx *ctx);
memcpy(LIVE, SAVE, count * sizeof(*SAVE)); \
} while (0)
+static inline int ckpt_validate_errno(int errno)
+{
+ return (errno >= 0) && (errno < MAX_ERRNO);
+}
/* debugging flags */
#define CKPT_DBASE 0x1 /* anything */
--
1.6.2.5
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