From e95ad5f21693a37c0d318b5988c5a0de324eb3e3 Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Mon, 16 Aug 2021 16:36:02 +1000 Subject: [PATCH] powerpc/head_check: Fix shellcheck errors Replace "cat file | grep pattern" with "grep pattern file", and quote a few variables. Together that fixes all shellcheck errors. Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20210817125154.3369884-1-mpe@ellerman.id.au --- arch/powerpc/tools/head_check.sh | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/powerpc/tools/head_check.sh b/arch/powerpc/tools/head_check.sh index e477837fdc58..689907cda996 100644 --- a/arch/powerpc/tools/head_check.sh +++ b/arch/powerpc/tools/head_check.sh @@ -49,11 +49,11 @@ vmlinux="$2" $nm "$vmlinux" | grep -e " [TA] _stext$" -e " t start_first_256B$" -e " a text_start$" -e " t start_text$" > .tmp_symbols.txt -vma=$(cat .tmp_symbols.txt | grep -e " [TA] _stext$" | cut -d' ' -f1) +vma=$(grep -e " [TA] _stext$" .tmp_symbols.txt | cut -d' ' -f1) -expected_start_head_addr=$vma +expected_start_head_addr="$vma" -start_head_addr=$(cat .tmp_symbols.txt | grep " t start_first_256B$" | cut -d' ' -f1) +start_head_addr=$(grep " t start_first_256B$" .tmp_symbols.txt | cut -d' ' -f1) if [ "$start_head_addr" != "$expected_start_head_addr" ]; then echo "ERROR: head code starts at $start_head_addr, should be $expected_start_head_addr" 1>&2 @@ -63,11 +63,11 @@ if [ "$start_head_addr" != "$expected_start_head_addr" ]; then exit 1 fi -top_vma=$(echo $vma | cut -d'0' -f1) +top_vma=$(echo "$vma" | cut -d'0' -f1) -expected_start_text_addr=$(cat .tmp_symbols.txt | grep " a text_start$" | cut -d' ' -f1 | sed "s/^0/$top_vma/") +expected_start_text_addr=$(grep " a text_start$" .tmp_symbols.txt | cut -d' ' -f1 | sed "s/^0/$top_vma/") -start_text_addr=$(cat .tmp_symbols.txt | grep " t start_text$" | cut -d' ' -f1) +start_text_addr=$(grep " t start_text$" .tmp_symbols.txt | cut -d' ' -f1) if [ "$start_text_addr" != "$expected_start_text_addr" ]; then echo "ERROR: start_text address is $start_text_addr, should be $expected_start_text_addr" 1>&2