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powerpc: unrel_branch_check.sh: exit silently for early errors

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If we can't find the address of __end_interrupts, then we still exit
successfully as that is the current behaviour.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200811140435.20957-8-sfr@canb.auug.org.au
This commit is contained in:
Stephen Rothwell 2020-08-12 00:04:34 +10:00 • committed by Michael Ellerman
parent 3745ae63b4
commit af13a2244d
1 changed files with 4 additions and 1 deletions
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5
arch/powerpc/tools/unrel_branch_check.sh
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@ -14,9 +14,12 @@ kstart=0xc000000000000000
printf -v kend '0x%x' $(( kstart + 0x10000 ))
end_intr=0x$(
$objdump -R -d --start-address="$kstart" --stop-address="$kend" "$vmlinux" |
$objdump -R -d --start-address="$kstart" --stop-address="$kend" "$vmlinux" 2>/dev/null |
awk '$2 == "<__end_interrupts>:" { print $1 }'
)
if [ "$end_intr" = "0x" ]; then
exit 0
fi
$objdump -R -D --no-show-raw-insn --start-address="$kstart" --stop-address="$end_intr" "$vmlinux" |
sed -E -n '