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gpu: nvgpu: remove snprintf use to fix MISRA 17.1

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MISRA rule 17.1 forbids use of stdarg.h features defined for variable
arguments. This patch modifies functions using snprintf() to use
standard library string functions.

Jira NVGPU-4075

Change-Id: I206cb812fc46e9f463e4b7f392fa4f0e388d5706
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2211270
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Philip Elcan <pelcan@nvidia.com>
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:
Vedashree Vidwans
2019-10-03 16:58:47 -07:00
committed by Alex Waterman
parent 8c8965396e
commit e56a9186b1
4 changed files with 137 additions and 95 deletions
Download Patch File Download Diff File Expand all files Collapse all files

152
drivers/gpu/nvgpu/common/ecc.c
View File

@@ -26,6 +26,7 @@
#include <nvgpu/gr/gr_utils.h>
#include <nvgpu/ltc.h>
#include <nvgpu/static_analysis.h>
#include <nvgpu/string.h>
static void nvgpu_ecc_stat_add(struct gk20a *g, struct nvgpu_ecc_stat *stat)
{
@@ -51,6 +52,7 @@ int nvgpu_ecc_counter_init_per_tpc(struct gk20a *g,
struct nvgpu_gr_config *gr_config = nvgpu_gr_get_config_ptr(g);
u32 gpc_count = nvgpu_gr_config_get_gpc_count(gr_config);
u32 gpc, tpc;
char gpc_str[10] = {0}, tpc_str[10] = {0};
int err = 0;
stats = nvgpu_kzalloc(g, nvgpu_safe_mult_u64(sizeof(*stats),
@@ -65,34 +67,55 @@ int nvgpu_ecc_counter_init_per_tpc(struct gk20a *g,
gpc)));
if (stats[gpc] == NULL) {
err = -ENOMEM;
break;
goto fail;
}
}
if (err != 0) {
while (gpc-- != 0u) {
nvgpu_kfree(g, stats[gpc]);
}
nvgpu_kfree(g, stats);
return err;
}
for (gpc = 0; gpc < gpc_count; gpc++) {
for (tpc = 0;
tpc < nvgpu_gr_config_get_gpc_tpc_count(gr_config, gpc);
tpc++) {
#ifdef CONFIG_NVGPU_LOGGING
(void) snprintf(stats[gpc][tpc].name,
NVGPU_ECC_STAT_NAME_MAX_SIZE,
"gpc%u_tpc%u_%s", gpc, tpc, name);
#endif
/**
* Store stats name as below:
* gpc<gpc_value>_tpc<tpc_value>_<name_string>
*/
(void)strcpy(stats[gpc][tpc].name, "gpc");
(void)nvgpu_strnadd_u32(gpc_str, gpc,
sizeof(gpc_str), 10U);
(void)strncat(stats[gpc][tpc].name, gpc_str,
NVGPU_ECC_STAT_NAME_MAX_SIZE -
strlen(stats[gpc][tpc].name));
(void)strncat(stats[gpc][tpc].name, "_tpc",
NVGPU_ECC_STAT_NAME_MAX_SIZE -
strlen(stats[gpc][tpc].name));
(void)nvgpu_strnadd_u32(tpc_str, tpc,
sizeof(tpc_str), 10U);
(void)strncat(stats[gpc][tpc].name, tpc_str,
NVGPU_ECC_STAT_NAME_MAX_SIZE -
strlen(stats[gpc][tpc].name));
(void)strncat(stats[gpc][tpc].name, "_",
NVGPU_ECC_STAT_NAME_MAX_SIZE -
strlen(stats[gpc][tpc].name));
(void)strncat(stats[gpc][tpc].name, name,
NVGPU_ECC_STAT_NAME_MAX_SIZE -
strlen(stats[gpc][tpc].name));
nvgpu_ecc_stat_add(g, &stats[gpc][tpc]);
}
}
*stat = stats;
return 0;
fail:
if (err != 0) {
while (gpc-- != 0u) {
nvgpu_kfree(g, stats[gpc]);
}
nvgpu_kfree(g, stats);
}
return err;
}
int nvgpu_ecc_counter_init_per_gpc(struct gk20a *g,
@@ -102,17 +125,31 @@ int nvgpu_ecc_counter_init_per_gpc(struct gk20a *g,
struct nvgpu_gr_config *gr_config = nvgpu_gr_get_config_ptr(g);
u32 gpc_count = nvgpu_gr_config_get_gpc_count(gr_config);
u32 gpc;
char gpc_str[10] = {0};
stats = nvgpu_kzalloc(g, nvgpu_safe_mult_u64(sizeof(*stats),
gpc_count));
if (stats == NULL) {
return -ENOMEM;
}
for (gpc = 0; gpc < gpc_count; gpc++) {
#ifdef CONFIG_NVGPU_LOGGING
(void) snprintf(stats[gpc].name, NVGPU_ECC_STAT_NAME_MAX_SIZE,
"gpc%u_%s", gpc, name);
#endif
/**
* Store stats name as below:
* gpc<gpc_value>_<name_string>
*/
(void)strcpy(stats[gpc].name, "gpc");
(void)nvgpu_strnadd_u32(gpc_str, gpc, sizeof(gpc_str), 10U);
(void)strncat(stats[gpc].name, gpc_str,
NVGPU_ECC_STAT_NAME_MAX_SIZE -
strlen(stats[gpc].name));
(void)strncat(stats[gpc].name, "_",
NVGPU_ECC_STAT_NAME_MAX_SIZE -
strlen(stats[gpc].name));
(void)strncat(stats[gpc].name, name,
NVGPU_ECC_STAT_NAME_MAX_SIZE -
strlen(stats[gpc].name));
nvgpu_ecc_stat_add(g, &stats[gpc]);
}
@@ -130,7 +167,7 @@ int nvgpu_ecc_counter_init(struct gk20a *g,
return -ENOMEM;
}
(void)strncpy(stats->name, name, NVGPU_ECC_STAT_NAME_MAX_SIZE - 1);
(void)strncpy(stats->name, name, NVGPU_ECC_STAT_NAME_MAX_SIZE - 1U);
nvgpu_ecc_stat_add(g, stats);
*stat = stats;
return 0;
@@ -141,6 +178,7 @@ int nvgpu_ecc_counter_init_per_lts(struct gk20a *g,
{
struct nvgpu_ecc_stat **stats;
u32 ltc, lts;
char ltc_str[10] = {0}, lts_str[10] = {0};
int err = 0;
u32 ltc_count = nvgpu_ltc_get_ltc_count(g);
u32 slices_per_ltc = nvgpu_ltc_get_slices_per_ltc(g);
@@ -156,32 +194,53 @@ int nvgpu_ecc_counter_init_per_lts(struct gk20a *g,
slices_per_ltc));
if (stats[ltc] == NULL) {
err = -ENOMEM;
break;
goto fail;
}
}
for (ltc = 0; ltc < ltc_count; ltc++) {
for (lts = 0; lts < slices_per_ltc; lts++) {
/**
* Store stats name as below:
* ltc<ltc_value>_lts<lts_value>_<name_string>
*/
(void)strcpy(stats[ltc][lts].name, "ltc");
(void)nvgpu_strnadd_u32(ltc_str, ltc,
sizeof(ltc_str), 10U);
(void)strncat(stats[ltc][lts].name, ltc_str,
NVGPU_ECC_STAT_NAME_MAX_SIZE -
strlen(stats[ltc][lts].name));
(void)strncat(stats[ltc][lts].name, "_lts",
NVGPU_ECC_STAT_NAME_MAX_SIZE -
strlen(stats[ltc][lts].name));
(void)nvgpu_strnadd_u32(lts_str, lts,
sizeof(lts_str), 10U);
(void)strncat(stats[ltc][lts].name, lts_str,
NVGPU_ECC_STAT_NAME_MAX_SIZE -
strlen(stats[ltc][lts].name));
(void)strncat(stats[ltc][lts].name, "_",
NVGPU_ECC_STAT_NAME_MAX_SIZE -
strlen(stats[ltc][lts].name));
(void)strncat(stats[ltc][lts].name, name,
NVGPU_ECC_STAT_NAME_MAX_SIZE -
strlen(stats[ltc][lts].name));
nvgpu_ecc_stat_add(g, &stats[ltc][lts]);
}
}
*stat = stats;
fail:
if (err != 0) {
while (ltc-- > 0u) {
nvgpu_kfree(g, stats[ltc]);
}
nvgpu_kfree(g, stats);
return err;
}
for (ltc = 0; ltc < ltc_count; ltc++) {
for (lts = 0; lts < slices_per_ltc; lts++) {
#ifdef CONFIG_NVGPU_LOGGING
(void) snprintf(stats[ltc][lts].name,
NVGPU_ECC_STAT_NAME_MAX_SIZE,
"ltc%u_lts%u_%s", ltc, lts, name);
#endif
nvgpu_ecc_stat_add(g, &stats[ltc][lts]);
}
}
*stat = stats;
return 0;
return err;
}
int nvgpu_ecc_counter_init_per_fbpa(struct gk20a *g,
@@ -190,6 +249,7 @@ int nvgpu_ecc_counter_init_per_fbpa(struct gk20a *g,
u32 i;
u32 num_fbpa = nvgpu_get_litter_value(g, GPU_LIT_NUM_FBPAS);
struct nvgpu_ecc_stat *stats;
char fbpa_str[10] = {0};
stats = nvgpu_kzalloc(g, nvgpu_safe_mult_u64(sizeof(*stats),
(size_t)num_fbpa));
@@ -198,10 +258,22 @@ int nvgpu_ecc_counter_init_per_fbpa(struct gk20a *g,
}
for (i = 0; i < num_fbpa; i++) {
#ifdef CONFIG_NVGPU_LOGGING
(void) snprintf(stats[i].name, NVGPU_ECC_STAT_NAME_MAX_SIZE,
"fbpa%u_%s", i, name);
#endif
/**
* Store stats name as below:
* fbpa<fbpa_value>_<name_string>
*/
(void)strcpy(stats[i].name, "fbpa");
(void)nvgpu_strnadd_u32(fbpa_str, i, sizeof(fbpa_str), 10U);
(void)strncat(stats[i].name, fbpa_str,
NVGPU_ECC_STAT_NAME_MAX_SIZE -
strlen(stats[i].name));
(void)strncat(stats[i].name, "_",
NVGPU_ECC_STAT_NAME_MAX_SIZE -
strlen(stats[i].name));
(void)strncat(stats[i].name, name,
NVGPU_ECC_STAT_NAME_MAX_SIZE -
strlen(stats[i].name));
nvgpu_ecc_stat_add(g, &stats[i]);
}