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gpu: nvgpu: Fix LibC MISRA 17.7 in os/linux

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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 OS/Linux interface.

JIRA NVGPU-1036

Change-Id: I39b20f1d0e1a1da56d452f2c3d5ee049666cefe8
Signed-off-by: Nicolas Benech <nbenech@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1929900
Reviewed-by: Automatic_Commit_Validation_User
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
2018-10-18 10:50:51 -04:00
committed by mobile promotions
parent e059f3cb12
commit b9e7ea65e1
26 changed files with 69 additions and 63 deletions
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6
drivers/gpu/nvgpu/os/linux/debug_pmu.c
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@@ -1,5 +1,5 @@
/*
* Copyright (C) 2017 NVIDIA Corporation. All rights reserved.
* Copyright (C) 2018 NVIDIA Corporation. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
@@ -284,7 +284,7 @@ static int falc_trace_show(struct seq_file *s, void *data)
while (nvgpu_find_hex_in_string((trace+i+20+m), g, &k)) {
if (k >= 40)
break;
strncpy(part_str, (trace+i+20+m), k);
(void) strncpy(part_str, (trace+i+20+m), k);
part_str[k] = 0;
seq_printf(s, "%s0x%x", part_str,
trace1[(i / 4) + 1 + l]);
@@ -334,7 +334,7 @@ static ssize_t perfmon_events_enable_write(struct file *file,
int buf_size;
int err;
memset(buf, 0, sizeof(buf));
(void) memset(buf, 0, sizeof(buf));
buf_size = min(count, (sizeof(buf)-1));
if (copy_from_user(buf, userbuf, buf_size))