Klocwork: Fix the Null pointer derefernce found by klocwork

Signed-off-by: Thejaswani Putta <thejaswani.putta@intel.com>
Change-Id: I15973ac28e9645826986cf63d2160eedb83024e4
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32290
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Thejaswani Putta 2019-04-11 18:36:08 -07:00 committed by Patrick Georgi
parent 21f9b3ecd7
commit 6f5225c7e0
3 changed files with 14 additions and 3 deletions

View File

@ -6,7 +6,8 @@ char *strdup(const char *s)
{
size_t sz = strlen(s) + 1;
char *d = malloc(sz);
memcpy(d, s, sz);
if (d)
memcpy(d, s, sz);
return d;
}
@ -15,7 +16,9 @@ char *strconcat(const char *s1, const char *s2)
size_t sz_1 = strlen(s1);
size_t sz_2 = strlen(s2);
char *d = malloc(sz_1 + sz_2 + 1);
memcpy(d, s1, sz_1);
memcpy(d + sz_1, s2, sz_2 + 1);
if (d) {
memcpy(d, s1, sz_1);
memcpy(d + sz_1, s2, sz_2 + 1);
}
return d;
}

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@ -23,6 +23,7 @@
#include <soc/ramstage.h>
#include <soc/intel/broadwell/chip.h>
#include <soc/intel/common/acpi.h>
#include <assert.h>
/* Save wake source information for calculating ACPI _SWS values */
int soc_fill_acpi_wake(uint32_t *pm1, uint32_t **gpe0)
@ -31,6 +32,8 @@ int soc_fill_acpi_wake(uint32_t *pm1, uint32_t **gpe0)
static uint32_t gpe0_sts[GPE0_REG_MAX];
int i;
assert(ps != NULL);
*pm1 = ps->pm1_sts & ps->pm1_en;
/* Mask off GPE0 status bits that are not enabled */

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@ -14,6 +14,7 @@
*/
#include "cbfs_sections.h"
#include "common.h"
#include <assert.h>
#include <stdlib.h>
@ -65,6 +66,10 @@ bool fmd_process_flag_cbfs(const struct flashmap_descriptor *node)
return false;
list_node = (struct descriptor_node *)malloc(sizeof(*list_node));
if (!list_node) {
ERROR("Cannot allocate CBFS flag node!\n");
return false;
}
list_node->val = node;
list_node->next = NULL;