target/cortex_m: fix clang static analyzer warning

Fix "Potential leak of memory pointed to by 'cortex_m'"
and test for NULL return from calloc in cortex_m_target_create()

Change-Id: I4d2bb5bccc57f0ed60696f3d588297a858b8ea60
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: http://openocd.zylin.com/4881
Tested-by: jenkins
Reviewed-by: Moritz Fischer <moritz.fischer@ettus.com>
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
log_output
Tomas Vanek 2019-01-31 14:21:56 +01:00
parent 96903e6df4
commit 9f021c2bc1
1 changed files with 7 additions and 2 deletions

View File

@ -2276,14 +2276,19 @@ static int cortex_m_init_arch_info(struct target *target,
static int cortex_m_target_create(struct target *target, Jim_Interp *interp)
{
struct cortex_m_common *cortex_m = calloc(1, sizeof(struct cortex_m_common));
cortex_m->common_magic = CORTEX_M_COMMON_MAGIC;
struct adiv5_private_config *pc;
pc = (struct adiv5_private_config *)target->private_config;
if (adiv5_verify_config(pc) != ERROR_OK)
return ERROR_FAIL;
struct cortex_m_common *cortex_m = calloc(1, sizeof(struct cortex_m_common));
if (cortex_m == NULL) {
LOG_ERROR("No memory creating target");
return ERROR_FAIL;
}
cortex_m->common_magic = CORTEX_M_COMMON_MAGIC;
cortex_m->apsel = pc->ap_num;
cortex_m_init_arch_info(target, cortex_m, pc->dap);