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[Qemu-devel] [PATCH for-2.11] util/stats64: Fix min/max comparisons
From: |
Max Reitz |
Subject: |
[Qemu-devel] [PATCH for-2.11] util/stats64: Fix min/max comparisons |
Date: |
Wed, 15 Nov 2017 00:22:23 +0100 |
stat64_min_slow() and stat64_max_slow() compare the wrong way. This
makes iotest 136 fail with clang and -m32.
Signed-off-by: Max Reitz <address@hidden>
---
util/stats64.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/util/stats64.c b/util/stats64.c
index 9968fcceac..389c365a9e 100644
--- a/util/stats64.c
+++ b/util/stats64.c
@@ -91,7 +91,7 @@ bool stat64_min_slow(Stat64 *s, uint64_t value)
low = atomic_read(&s->low);
orig = ((uint64_t)high << 32) | low;
- if (orig < value) {
+ if (value < orig) {
/* We have to set low before high, just like stat64_min reads
* high before low. The value may become higher temporarily, but
* stat64_get does not notice (it takes the lock) and the only ill
@@ -120,7 +120,7 @@ bool stat64_max_slow(Stat64 *s, uint64_t value)
low = atomic_read(&s->low);
orig = ((uint64_t)high << 32) | low;
- if (orig > value) {
+ if (value > orig) {
/* We have to set low before high, just like stat64_max reads
* high before low. The value may become lower temporarily, but
* stat64_get does not notice (it takes the lock) and the only ill
--
2.13.6
- [Qemu-devel] [PATCH for-2.11] util/stats64: Fix min/max comparisons,
Max Reitz <=