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gpu: nvgpu: check return value of mutex_init in sched_gk20a.c

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- check return value of nvgpu_mutex_init in sched_gk20a.c
- add corresponding nvgpu_mutex_destroy calls

Jira NVGPU-13

Change-Id: I49013851e3f271b059a7b46d63816d8d385b48de
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1321292
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Deepak Nibade
2017-03-15 17:40:04 +05:30
committed by mobile promotions
parent e239cad2d9
commit caee1441b8
1 changed files with 31 additions and 7 deletions
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38
drivers/gpu/nvgpu/gk20a/sched_gk20a.c
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@@ -640,6 +640,7 @@ int gk20a_sched_ctrl_init(struct gk20a *g)
{
struct gk20a_sched_ctrl *sched = &g->sched_ctrl;
struct fifo_gk20a *f = &g->fifo;
int err;
if (sched->sw_ready)
return 0;
@@ -656,29 +657,47 @@ int gk20a_sched_ctrl_init(struct gk20a *g)
return -ENOMEM;
sched->recent_tsg_bitmap = nvgpu_kzalloc(g, sched->bitmap_size);
if (!sched->recent_tsg_bitmap)
if (!sched->recent_tsg_bitmap) {
err = -ENOMEM;
goto free_active;
}
sched->ref_tsg_bitmap = nvgpu_kzalloc(g, sched->bitmap_size);
if (!sched->ref_tsg_bitmap)
if (!sched->ref_tsg_bitmap) {
err = -ENOMEM;
goto free_recent;
}
init_waitqueue_head(&sched->readout_wq);
nvgpu_mutex_init(&sched->status_lock);
nvgpu_mutex_init(&sched->control_lock);
nvgpu_mutex_init(&sched->busy_lock);
err = nvgpu_mutex_init(&sched->status_lock);
if (err)
goto free_ref;
err = nvgpu_mutex_init(&sched->control_lock);
if (err)
goto free_status_lock;
err = nvgpu_mutex_init(&sched->busy_lock);
if (err)
goto free_control_lock;
sched->sw_ready = true;
return 0;
free_control_lock:
nvgpu_mutex_destroy(&sched->control_lock);
free_status_lock:
nvgpu_mutex_destroy(&sched->status_lock);
free_ref:
nvgpu_kfree(g, sched->ref_tsg_bitmap);
free_recent:
nvgpu_kfree(g, sched->recent_tsg_bitmap);
free_active:
nvgpu_kfree(g, sched->active_tsg_bitmap);
return -ENOMEM;
return err;
}
void gk20a_sched_ctrl_cleanup(struct gk20a *g)
@@ -691,5 +710,10 @@ void gk20a_sched_ctrl_cleanup(struct gk20a *g)
sched->active_tsg_bitmap = NULL;
sched->recent_tsg_bitmap = NULL;
sched->ref_tsg_bitmap = NULL;
nvgpu_mutex_destroy(&sched->status_lock);
nvgpu_mutex_destroy(&sched->control_lock);
nvgpu_mutex_destroy(&sched->busy_lock);
sched->sw_ready = false;
}