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target/etm: add check for calloc error 

and fix one more clang static analyzer warning.

Change-Id: I17f03e318e1cf7617e7f753e7ca960552be547e5
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: http://openocd.zylin.com/5381
Tested-by: jenkins
Reviewed-by: Oleksij Rempel <linux@rempel-privat.de>
This commit is contained in:
Tomas Vanek 2019-12-20 23:50:26 +01:00
parent fe6bb7eac8
commit af0dda8266
1 changed files with 6 additions and 0 deletions
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6
src/target/etm.c
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@ -303,6 +303,11 @@ struct reg_cache *etm_build_reg_cache(struct target *target,
reg_list = calloc(128, sizeof(struct reg));
arch_info = calloc(128, sizeof(struct etm_reg));
if (reg_cache == NULL || reg_list == NULL || arch_info == NULL) {
LOG_ERROR("No memory");
goto fail;
}
/* fill in values for the reg cache */
reg_cache->name = "etm registers";
reg_cache->next = NULL;
@ -498,6 +503,7 @@ static int etm_read_reg_w_check(struct reg *reg,
uint8_t *check_value, uint8_t *check_mask)
{
struct etm_reg *etm_reg = reg->arch_info;
assert(etm_reg);
const struct etm_reg_info *r = etm_reg->reg_info;
uint8_t reg_addr = r->addr & 0x7f;
struct scan_field fields[3];