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gpu: nvgpu: Fix mutex MISRA 17.7 violations

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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 calls to nvgpu_mutex_init and
improves related error handling.

JIRA NVGPU-677

Change-Id: I609fa138520cc7ccfdd5aa0e7fd28c8ca0b3a21c
Signed-off-by: Nicolas Benech <nbenech@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1805598
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Nicolas Benech
2018-08-23 16:23:52 -04:00
committed by mobile promotions
parent b44c7fdb11
commit 2eface802a
18 changed files with 168 additions and 68 deletions
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12
drivers/gpu/nvgpu/common/mm/pd_cache.c
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@@ -90,6 +90,8 @@ int nvgpu_pd_cache_init(struct gk20a *g)
{
struct nvgpu_pd_cache *cache;
u32 i;
int err = 0;
/*
* This gets called from finalize_poweron() so we need to make sure we
@@ -111,9 +113,15 @@ int nvgpu_pd_cache_init(struct gk20a *g)
}
cache->mem_tree = NULL;
g->mm.pd_cache = cache;
nvgpu_mutex_init(&cache->lock);
err = nvgpu_mutex_init(&cache->lock);
if (err != 0) {
nvgpu_err(g, "Error in cache.lock initialization");
nvgpu_kfree(g, cache);
return err;
}
g->mm.pd_cache = cache;
pd_dbg(g, "PD cache initialized!");
return 0;