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fix: handle non-numeric ARM CPU architecture values

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Some old ARM processors (e.g., ARM926EJ-S) report CPU architecture
with suffix in /proc/cpuinfo (e.g., "5TEJ" for ARMv5TEJ).

This caused an "integer expression expected" error when comparing
against numeric values. Extract the numeric prefix before integer comparisons.

Fixes #505.
This commit is contained in:
Stéphane Lesimple
2026-01-25 12:16:56 +01:00
parent d550ea8c85
commit a20641fbad
1 changed files with 2 additions and 0 deletions
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spectre-meltdown-checker.sh
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@@ -668,6 +668,8 @@ is_cpu_affected()
_debug "checking cpu$i: <$cpupart> <$cpuarch>"
# some kernels report AArch64 instead of 8
[ "$cpuarch" = "AArch64" ] && cpuarch=8
# some kernels report architecture with suffix (e.g. "5TEJ" for ARMv5TEJ), extract numeric prefix
cpuarch=$(echo "$cpuarch" | grep -oE '^[0-9]+')
if [ -n "$cpupart" ] && [ -n "$cpuarch" ]; then
# Cortex-R7 and Cortex-R8 are real-time and only used in medical devices or such
# I can't find their CPU part number, but it's probably not that useful anyway