gallium,utils: Fix trivial sign compare warnings

[mesa.git] / src / gallium / auxiliary / util / u_cpu_detect.c

diff --git a/src/gallium/auxiliary/util/u_cpu_detect.c b/src/gallium/auxiliary/util/u_cpu_detect.c
index 10b090216d7b2c8f69722d5613beb133f8db103b..aa3c30af6e3d868fa1992135d2b8907716e4f1c6 100644 (file)
--- a/src/gallium/auxiliary/util/u_cpu_detect.c
+++ b/src/gallium/auxiliary/util/u_cpu_detect.c
@@ -313,7 +313,7 @@ util_cpu_detect(void)
    }
 #elif defined(PIPE_OS_UNIX) && defined(_SC_NPROCESSORS_ONLN)
    util_cpu_caps.nr_cpus = sysconf(_SC_NPROCESSORS_ONLN);
-   if (util_cpu_caps.nr_cpus == -1)
+   if (util_cpu_caps.nr_cpus == ~0u)
       util_cpu_caps.nr_cpus = 1;
 #elif defined(PIPE_OS_BSD)
    {