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authorMichael Ellerman <mpe@ellerman.id.au>2021-08-16 16:36:02 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2021-08-17 22:52:02 +1000
commite95ad5f21693a37c0d318b5988c5a0de324eb3e3 (patch)
tree1a40c10dcee6f91294f549032b0b4c69eb2921bc /arch/powerpc/tools
parentpowerpc/head_check: use stdout for error messages (diff)
downloadlinux-dev-e95ad5f21693a37c0d318b5988c5a0de324eb3e3.tar.xz
linux-dev-e95ad5f21693a37c0d318b5988c5a0de324eb3e3.zip
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 <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210817125154.3369884-1-mpe@ellerman.id.au
Diffstat (limited to 'arch/powerpc/tools')
-rw-r--r--arch/powerpc/tools/head_check.sh12
1 files 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