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gpu: nvgpu: Fix LibC MISRA 17.7 in common

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MISRA Rule-17.7 requires the return value of all functions to be used.
Fix is either to use the return value or change the function to return
void. This patch contains fix for all 17.7 violations instandard C functions
in common code.

JIRA NVGPU-1036

Change-Id: Id6dea92df371e71b22b54cd7a521fc22812f9b69
Signed-off-by: Nicolas Benech <nbenech@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1929899
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Nicolas Benech
2018-10-18 10:50:29 -04:00
committed by mobile promotions
parent 27b47c20bd
commit cb2a05dd92
20 changed files with 97 additions and 88 deletions
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16
drivers/gpu/nvgpu/common/fifo/channel.c
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@@ -408,7 +408,7 @@ static void gk20a_free_channel(struct channel_gk20a *ch, bool force)
nvgpu_dma_unmap_free(ch_vm, &ch->gpfifo.mem);
nvgpu_big_free(g, ch->gpfifo.pipe);
memset(&ch->gpfifo, 0, sizeof(struct gpfifo_desc));
(void) memset(&ch->gpfifo, 0, sizeof(struct gpfifo_desc));
channel_gk20a_free_priv_cmdbuf(ch);
@@ -495,7 +495,7 @@ unbind:
}
#if GK20A_CHANNEL_REFCOUNT_TRACKING
memset(ch->ref_actions, 0, sizeof(ch->ref_actions));
(void) memset(ch->ref_actions, 0, sizeof(ch->ref_actions));
ch->ref_actions_put = 0;
#endif
@@ -804,7 +804,7 @@ static void channel_gk20a_free_priv_cmdbuf(struct channel_gk20a *c)
nvgpu_dma_unmap_free(ch_vm, &q->mem);
memset(q, 0, sizeof(struct priv_cmd_queue));
(void) memset(q, 0, sizeof(struct priv_cmd_queue));
}
/* allocate a cmd buffer with given size. size is number of u32 entries */
@@ -875,7 +875,7 @@ void free_priv_cmdbuf(struct channel_gk20a *c,
struct priv_cmd_entry *e)
{
if (channel_gk20a_is_prealloc_enabled(c)) {
memset(e, 0, sizeof(struct priv_cmd_entry));
(void) memset(e, 0, sizeof(struct priv_cmd_entry));
} else {
nvgpu_kfree(c->g, e);
}
@@ -926,7 +926,7 @@ void channel_gk20a_free_job(struct channel_gk20a *c,
if (channel_gk20a_is_prealloc_enabled(c)) {
struct priv_cmd_entry *wait_cmd = job->wait_cmd;
struct priv_cmd_entry *incr_cmd = job->incr_cmd;
memset(job, 0, sizeof(*job));
(void) memset(job, 0, sizeof(*job));
job->wait_cmd = wait_cmd;
job->incr_cmd = incr_cmd;
} else {
@@ -1088,7 +1088,7 @@ clean_up_priv_cmd:
clean_up_joblist:
nvgpu_vfree(c->g, c->joblist.pre_alloc.jobs);
clean_up:
memset(&c->joblist.pre_alloc, 0, sizeof(c->joblist.pre_alloc));
(void) memset(&c->joblist.pre_alloc, 0, sizeof(c->joblist.pre_alloc));
return err;
}
@@ -1286,7 +1286,7 @@ clean_up_unmap:
c->usermode_submit_enabled = false;
}
clean_up:
memset(&c->gpfifo, 0, sizeof(struct gpfifo_desc));
(void) memset(&c->gpfifo, 0, sizeof(struct gpfifo_desc));
clean_up_idle:
if (c->deterministic) {
nvgpu_rwsem_down_read(&g->deterministic_busy);
@@ -1741,7 +1741,7 @@ static int __nvgpu_channel_worker_start(struct gk20a *g)
return err;
}
snprintf(thread_name, sizeof(thread_name),
(void) snprintf(thread_name, sizeof(thread_name),
"nvgpu_channel_poll_%s", g->name);
err = nvgpu_thread_create(&g->channel_worker.poll_task, g,