perf check-headers.sh: Simplify arguments passing

Passing whole string instead of parsing them after.  It simplifies
things for the next patches, that adds another function call, which
makes it hard to pass arguments in the correct shape.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20180423090823.32309-2-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/check-headers.sh b/tools/perf/check-headers.sh
index 9aff89bc75351d13353cd299b324adef99906a1b..88c5f94498093ea3263255d67229247fb5c49fbb 100755 (executable)
--- a/tools/perf/check-headers.sh
+++ b/tools/perf/check-headers.sh
@@ -59,13 +59,8 @@ check () {
   file=$1
 
   shift
-  opts=
-  while [ -n "$*" ]; do
-    opts="$opts \"$1\""
-    shift
-  done
 
-  cmd="diff $opts ../$file ../../$file > /dev/null"
+  cmd="diff $* ../$file ../../$file > /dev/null"
 
   test -f ../../$file &&
   eval $cmd || echo "Warning: Kernel ABI header at 'tools/$file' differs from latest version at '$file'" >&2
@@ -83,7 +78,7 @@ for i in $HEADERS; do
 done
 
 # diff with extra ignore lines
-check arch/x86/lib/memcpy_64.S        -I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"
-check arch/x86/lib/memset_64.S        -I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"
-check include/uapi/asm-generic/mman.h -I "^#include <\(uapi/\)*asm-generic/mman-common.h>"
-check include/uapi/linux/mman.h       -I "^#include <\(uapi/\)*asm/mman.h>"
+check arch/x86/lib/memcpy_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"'
+check arch/x86/lib/memset_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"'
+check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common.h>"'
+check include/uapi/linux/mman.h       '-I "^#include <\(uapi/\)*asm/mman.h>"'