diff options
Diffstat (limited to 'include/linux/ktime.h')
-rw-r--r-- | include/linux/ktime.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/ktime.h b/include/linux/ktime.h index ed3396dcc4f7..84eeecd60a02 100644 --- a/include/linux/ktime.h +++ b/include/linux/ktime.h | |||
@@ -56,7 +56,8 @@ typedef union { | |||
56 | #endif | 56 | #endif |
57 | } ktime_t; | 57 | } ktime_t; |
58 | 58 | ||
59 | #define KTIME_MAX (~((u64)1 << 63)) | 59 | #define KTIME_MAX ((s64)~((u64)1 << 63)) |
60 | #define KTIME_SEC_MAX (KTIME_MAX / NSEC_PER_SEC) | ||
60 | 61 | ||
61 | /* | 62 | /* |
62 | * ktime_t definitions when using the 64-bit scalar representation: | 63 | * ktime_t definitions when using the 64-bit scalar representation: |
@@ -73,6 +74,10 @@ typedef union { | |||
73 | */ | 74 | */ |
74 | static inline ktime_t ktime_set(const long secs, const unsigned long nsecs) | 75 | static inline ktime_t ktime_set(const long secs, const unsigned long nsecs) |
75 | { | 76 | { |
77 | #if (BITS_PER_LONG == 64) | ||
78 | if (unlikely(secs >= KTIME_SEC_MAX)) | ||
79 | return (ktime_t){ .tv64 = KTIME_MAX }; | ||
80 | #endif | ||
76 | return (ktime_t) { .tv64 = (s64)secs * NSEC_PER_SEC + (s64)nsecs }; | 81 | return (ktime_t) { .tv64 = (s64)secs * NSEC_PER_SEC + (s64)nsecs }; |
77 | } | 82 | } |
78 | 83 | ||