From 2d0bcfa3318c276dba5100510e59c5c2fa62957f Mon Sep 17 00:00:00 2001 From: Konsta Holtta Date: Fri, 26 Sep 2014 16:05:41 +0300 Subject: gpu: nvgpu: add __must_check to gk20a_busy The return value of gk20a_busy must be checked since it may not succeed in some cases. Add the __must_check attribute that generates a compiler warning for code that does not read the return value and fix all uses of the function to take error cases into account. Bug 200040921 Change-Id: Ibc2b119985fa230324c88026fe94fc5f1894fe4f Signed-off-by: Konsta Holtta Reviewed-on: http://git-master/r/542552 Reviewed-by: Terje Bergstrom Tested-by: Terje Bergstrom --- drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c') diff --git a/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c b/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c index 746460c7..cd70d7c3 100644 --- a/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c @@ -136,7 +136,7 @@ static int gk20a_ctrl_mark_compressible_write( struct gk20a *g, struct nvgpu_gpu_mark_compressible_write_args *args) { - int ret = 0; + int ret; ret = gk20a_busy(g->dev); if (ret) -- cgit v1.2.2