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authorMasahiro Yamada <masahiroy@kernel.org>2022-07-14 14:02:43 +0900
committerMasahiro Yamada <masahiroy@kernel.org>2022-07-27 21:18:00 +0900
commit84850dbbbe60a75b27eb0f272fdbc28cfaae689b (patch)
treee510f94e8363abe380b0b23889211b83fd15ed41 /scripts
parent9a68fd7fd8b05050b27ae67a829a2035b2b7a993 (diff)
downloadlinux-84850dbbbe60a75b27eb0f272fdbc28cfaae689b.tar.gz
kbuild: error out if $(INSTALL_MOD_PATH) contains % or :
If the directory path given to INSTALL_MOD_PATH contains % or :,
the module_install fails.

% is used in pattern rules, and : as the separator of dependencies.

Bail out with a clearer error message.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/Makefile.modinst3
1 files changed, 3 insertions, 0 deletions
diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst
index 16a02e9237d3..a4c987c23750 100644
--- a/scripts/Makefile.modinst
+++ b/scripts/Makefile.modinst
@@ -18,6 +18,9 @@ INSTALL_MOD_DIR ?= extra
 dst := $(MODLIB)/$(INSTALL_MOD_DIR)
 endif
 
+$(foreach x, % :, $(if $(findstring $x, $(dst)), \
+	$(error module installation path cannot contain '$x')))
+
 suffix-y				:=
 suffix-$(CONFIG_MODULE_COMPRESS_GZIP)	:= .gz
 suffix-$(CONFIG_MODULE_COMPRESS_XZ)	:= .xz