Masahiro Yamada 8652254e96 lib/raid6/test: fix build on distros whose /bin/sh is not bash ... [ Upstream commit 06bd48b6cd ] You can build a user-space test program for the raid6 library code, like this: $ cd lib/raid6/test $ make The command in $(shell ...) function is evaluated by /bin/sh by default. (or, you can specify the shell by passing SHELL=<shell> from command line) Currently '>&/dev/null' is used to sink both stdout and stderr. Because this code is bash-ism, it only works when /bin/sh is a symbolic link to bash (this is the case on RHEL etc.) This does not work on Ubuntu where /bin/sh is a symbolic link to dash. I see lots of /bin/sh: 1: Syntax error: Bad fd number and warning "your version of binutils lacks ... support" Replace it with portable '>/dev/null 2>&1'. Fixes: 4f8c55c5ad ("lib/raid6: build proper files on corresponding arch") Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: H. Peter Anvin (Intel) <hpa@zytor.com> Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com> Acked-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Sasha Levin <sashal@kernel.org>		2020-04-29 16:33:00 +02:00
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Makefile	lib/raid6/test: fix build on distros whose /bin/sh is not bash	2020-04-29 16:33:00 +02:00
test.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 83	2019-05-24 17:37:52 +02:00