gpu: nvgpu: Remove duplicate err returning path

railgate_enable_store() has two places where err is checked and
returned. Because we have only one place where err can be set,
the second check and return are superfluous.

Change-Id: Id45923fc829f061fee34fa1abca0359b443e6f0d
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1249960
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a_sysfs.c b/drivers/gpu/nvgpu/gk20a/gk20a_sysfs.c
index a79ec201..55ebcc8f 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a_sysfs.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a_sysfs.c
@@ -303,8 +303,6 @@ static ssize_t railgate_enable_store(struct device *dev,
                 platform->can_railgate = false;
                 platform->user_railgate_disabled = true;
         }
-        if (err)
-                return err;
 
         dev_info(dev, "railgate is %s.\n", platform->can_railgate ?
                 "enabled" : "disabled");