[PATCH] perf: Compare JOBS to 0 after grep

[David Ahern]

If JOBS is not by user perf tries to autodetect the number by grepping the
number of CPUs from /proc/cpuinfo. 'grep -c' will always return an integer
so after this command JOBS should be compared to 0, not "".

Signed-off-by: David Ahern <david.ahern@xxxxxxxxxx>
---
 tools/perf/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index cb2e5868c8e8..d5020aeb5626 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -25,7 +25,7 @@ unexport MAKEFLAGS
 #
 ifeq ($(JOBS),)
   JOBS := $(shell grep -c ^processor /proc/cpuinfo 2>/dev/null)
-  ifeq ($(JOBS),)
+  ifeq ($(JOBS),0)
     JOBS := 1
   endif
 endif
-- 
1.9.3

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