load_and_build_cstate_info: Plug a memory leak in error path

This patch plugs a leak that occurs when cstate data is not
what we expect.

Signed-off-by: Tuukka Tikkanen <tuukka.tikkanen@linaro.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/idlestat.c b/idlestat.c
index eff04e5..7c76202 100644
--- a/idlestat.c
+++ b/idlestat.c
@@ -702,8 +702,10 @@ static struct cpuidle_cstates *load_and_build_cstate_info(FILE* f, int nrcpus)
 
 		sscanf(buffer, "cpuid %d:\n", &read_cpu);
 
-		if (read_cpu != cpu)
+		if (read_cpu != cpu) {
+			release_cstate_info(cstates, cpu);
 			return NULL;
+		}
 
 		for (i = 0; i < MAXCSTATE; i++) {
 			char *name = malloc(128);