From: Tudor Brindus <me@tbrindus.ca>
Date: Sat, 2 May 2020 02:24:20 +0000 (-0400)
Subject: Fix segmentation fault in CPUID check
X-Git-Tag: json-c-0.15-20200726~60^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F590%2Fhead;p=thirdparty%2Fjson-c.git

Fix segmentation fault in CPUID check
---

diff --git a/random_seed.c b/random_seed.c
index fc19e26d..c459f0f9 100644
--- a/random_seed.c
+++ b/random_seed.c
@@ -26,19 +26,8 @@
 static void do_cpuid(int regs[], int h)
 {
 	/* clang-format off */
-    __asm__ __volatile__(
-#if defined __x86_64__
-                         "pushq %%rbx;\n"
-#else
-                         "pushl %%ebx;\n"
-#endif
-                         "cpuid;\n"
-#if defined __x86_64__
-                         "popq %%rbx;\n"
-#else
-                         "popl %%ebx;\n"
-#endif
-                         : "=a"(regs[0]), [ebx] "=r"(regs[1]), "=c"(regs[2]), "=d"(regs[3])
+    __asm__ __volatile__("cpuid"
+                         : "=a"(regs[0]), "=b"(regs[1]), "=c"(regs[2]), "=d"(regs[3])
                          : "a"(h));
 	/* clang-format on */
 }