benchmarks: Use labs() for abs(long)

e.g. benchmarks/gem_wsim.c:2936:4: warning: absolute value function ‘abs’ given an argument of type ‘long int’ but has parameter of type ‘int’ which may cause truncation of value [-Wabsolute-value]

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Simon Ser <simon.ser@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/benchmarks/gem_wsim.c b/benchmarks/gem_wsim.c
index a76fdbfe..b8e22b3f 100644
--- a/benchmarks/gem_wsim.c
+++ b/benchmarks/gem_wsim.c
@@ -2933,7 +2933,7 @@ static unsigned long calibrate_nop(unsigned int tolerance_pct)
 		size = loops * size / elapsed(&t_start, &t_end) / 1e6 * usecs;
 		size = ALIGN(size, sizeof(uint32_t));
 	} while (elapsed(&t_0, &t_end) < 5 ||
-		 abs(size - last_size) > (size * tolerance_pct / 100));
+		 labs(size - last_size) > (size * tolerance_pct / 100));
 
 	return size / sizeof(uint32_t);
 }