Compare against MAP_FAILED for Qt plat_mmap

2021-12-26 15:48:06 +06:00
parent 33d2844de6
commit b40b3a56ae
1 changed files with 1 additions and 2 deletions
--- a/src/qt/qt_platform.cpp
+++ b/src/qt/qt_platform.cpp
@@ -316,8 +316,7 @@ plat_mmap(size_t size, uint8_t executable)
 #else
    void *ret = mmap(0, size, PROT_READ | PROT_WRITE | (executable ? PROT_EXEC : 0), MAP_ANON | MAP_PRIVATE, 0, 0);
 #endif
-    auto retval = *reinterpret_cast<int*>(ret);
-    return (retval < 0) ? nullptr : ret;
+    return (ret == MAP_FAILED) ? nullptr : ret;
 #endif
 }