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

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

Jira NVGPU-13

Change-Id: I823888ec234ce5358187c449de8e6cabc5fc5503
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1317133
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Navneet Kumar <navneetk@nvidia.com>
This commit is contained in:
Deepak Nibade
2017-03-08 15:16:53 +05:30
committed by mobile promotions
parent de568db9de
commit d6150fa12c
1 changed files with 17 additions and 15 deletions
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22
drivers/gpu/nvgpu/clk/clk_arb.c
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@@ -267,10 +267,14 @@ int nvgpu_clk_arb_init_arbiter(struct gk20a *g)
return 0;
arb = kzalloc(sizeof(struct nvgpu_clk_arb), GFP_KERNEL);
if (!arb) {
err = -ENOMEM;
goto init_fail;
}
if (!arb)
return -ENOMEM;
err = nvgpu_mutex_init(&arb->pstate_lock);
if (err)
goto mutex_fail;
nvgpu_spinlock_init(&arb->sessions_lock);
nvgpu_spinlock_init(&arb->users_lock);
arb->mclk_f_points = kcalloc(MAX_F_POINTS, sizeof(u16), GFP_KERNEL);
if (!arb->mclk_f_points) {
@@ -308,10 +312,6 @@ int nvgpu_clk_arb_init_arbiter(struct gk20a *g)
g->clk_arb = arb;
arb->g = g;
nvgpu_mutex_init(&arb->pstate_lock);
nvgpu_spinlock_init(&arb->sessions_lock);
nvgpu_spinlock_init(&arb->users_lock);
err = g->ops.clk_arb.get_arbiter_clk_default(g,
CTRL_CLK_DOMAIN_MCLK, &default_mhz);
if (err < 0) {
@@ -382,7 +382,6 @@ int nvgpu_clk_arb_init_arbiter(struct gk20a *g)
init_fail:
if (arb) {
kfree(arb->gpc2clk_f_points);
kfree(arb->mclk_f_points);
@@ -390,8 +389,10 @@ init_fail:
kfree(arb->vf_table_pool[index].gpc2clk_points);
kfree(arb->vf_table_pool[index].mclk_points);
}
}
nvgpu_mutex_destroy(&arb->pstate_lock);
mutex_fail:
kfree(arb);
return err;
@@ -454,6 +455,7 @@ static void nvgpu_clk_arb_set_global_alarm(struct gk20a *g, u32 alarm)
void nvgpu_clk_arb_cleanup_arbiter(struct gk20a *g)
{
nvgpu_mutex_destroy(&g->clk_arb->pstate_lock);
kfree(g->clk_arb);
}