kbuild: clean up asm-offsets.h creation

- Move mkdir out of cmd_offsets
- Add input file to sed command instead of using cat

Signed-off-by: Brian Gerst <bgerst@didntduck.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

1 files changed, 2 insertions, 3 deletions

diff --git a/Kbuild b/Kbuild
index 79003918f37f..95d6a00bace0 100644
--- a/Kbuild
+++ b/Kbuild
@@ -22,8 +22,6 @@ sed-$(CONFIG_MIPS) := "/^@@@/s///p"
 
 quiet_cmd_offsets = GEN     $@
 define cmd_offsets
-        mkdir -p $(dir $@); \
-        cat $< | \
         (set -e; \
          echo "#ifndef __ASM_OFFSETS_H__"; \
          echo "#define __ASM_OFFSETS_H__"; \
@@ -34,7 +32,7 @@ define cmd_offsets
          echo " *"; \
          echo " */"; \
          echo ""; \
-         sed -ne $(sed-y); \
+         sed -ne $(sed-y) $<; \
          echo ""; \
          echo "#endif" ) > $@
 endef
@@ -45,5 +43,6 @@ arch/$(ARCH)/kernel/asm-offsets.s: arch/$(ARCH)/kernel/asm-offsets.c FORCE
         $(call if_changed_dep,cc_s_c)
 
 $(obj)/$(offsets-file): arch/$(ARCH)/kernel/asm-offsets.s Kbuild
+        $(Q)mkdir -p $(dir $@)
         $(call cmd,offsets)