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Initialize vendor/uarch out-parameters for unhandled implementers #395

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Merged
GregoryComer merged 1 commit into from
Jun 17, 2026
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Initialize vendor/uarch out-parameters for unhandled implementers #395

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5 changes: 5 additions & 0 deletions src/arm/uarch.c
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,11 @@ void cpuinfo_arm_decode_vendor_uarch(
#endif /* CPUINFO_ARCH_ARM */
enum cpuinfo_vendor vendor[RESTRICT_STATIC 1],
enum cpuinfo_uarch uarch[RESTRICT_STATIC 1]) {
/* Ensure the out-parameters are always initialized, including for
* implementers that are not handled in the switch below. */
*vendor = cpuinfo_vendor_unknown;
*uarch = cpuinfo_uarch_unknown;

switch (midr_get_implementer(midr)) {
case 'A':
*vendor = cpuinfo_vendor_arm;
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