Commit-ID: ebf8d82bbb32720878a3867b28e655950ccee992 Gitweb: https://git.kernel.org/tip/ebf8d82bbb32720878a3867b28e655950ccee992 Author: Michael Forney <[email protected]> AuthorDate: Mon, 17 Jun 2019 22:33:06 -0700 Committer: Ingo Molnar <[email protected]> CommitDate: Tue, 25 Jun 2019 10:17:07 +0200
locking/atomics: Use sed(1) instead of non-standard head(1) option POSIX says the -n option must be a positive decimal integer. Not all implementations of head(1) support negative numbers meaning offset from the end of the file. Instead, the sed expression '$d' has the same effect of removing the last line of the file. Signed-off-by: Michael Forney <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Acked-by: Will Deacon <[email protected]> Cc: Boqun Feng <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- scripts/atomic/check-atomics.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/atomic/check-atomics.sh b/scripts/atomic/check-atomics.sh index cfa0c2f71c84..8378c63a1e09 100755 --- a/scripts/atomic/check-atomics.sh +++ b/scripts/atomic/check-atomics.sh @@ -22,7 +22,7 @@ while read header; do OLDSUM="$(tail -n 1 ${LINUXDIR}/include/${header})" OLDSUM="${OLDSUM#// }" - NEWSUM="$(head -n -1 ${LINUXDIR}/include/${header} | sha1sum)" + NEWSUM="$(sed '$d' ${LINUXDIR}/include/${header} | sha1sum)" NEWSUM="${NEWSUM%% *}" if [ "${OLDSUM}" != "${NEWSUM}" ]; then
