powerpc/head_check: Fix shellcheck errors
authorMichael Ellerman <mpe@ellerman.id.au>
Mon, 16 Aug 2021 06:36:02 +0000 (16:36 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 17 Aug 2021 12:52:02 +0000 (22:52 +1000)
commite95ad5f21693a37c0d318b5988c5a0de324eb3e3
tree1a40c10dcee6f91294f549032b0b4c69eb2921bc
parent47c258d71ebfc832a760a1dc6540cf3c33968023
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
arch/powerpc/tools/head_check.sh