Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-22 04:02:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

locking/atomics: Use sed(1) instead of non-standard head(1) option

Browse Source 
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 <mforney@mforney.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190618053306.730-1-mforney@mforney.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Michael Forney 2019-06-17 22:33:06 -07:00 committed by Ingo Molnar
parent 886532aee3
commit ebf8d82bbb
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
scripts/atomic/check-atomics.sh
View File

@ -22,7 +22,7 @@ while read header; do
OLDSUM="$(tail -n 1 ${LINUXDIR}/include/${header})" OLDSUM="$(tail -n 1 ${LINUXDIR}/include/${header})"
OLDSUM="${OLDSUM#// }" OLDSUM="${OLDSUM#// }"
NEWSUM="$(head -n -1 ${LINUXDIR}/include/${header} | sha1sum)" NEWSUM="$(sed '$d' ${LINUXDIR}/include/${header} | sha1sum)"
NEWSUM="${NEWSUM%% *}" NEWSUM="${NEWSUM%% *}"
if [ "${OLDSUM}" != "${NEWSUM}" ]; then if [ "${OLDSUM}" != "${NEWSUM}" ]; then