commit 9ac3e23f5dff2787bb82c504166b60d03f0a94c1
author Troy-Butler <squintik@outlook.com> Fri Mar 22 14:46:04 2024 -0400
committer Troy-Butler <squintik@outlook.com> Fri Mar 22 14:46:04 2024 -0400
tree e3e86a6129c7e6fbc2abcf62bf81532feba977cd
parent 611f899c0c9d397baedfaec34ea0861ad2543991

Fix NULL argument handling in mbedtls_xxx_free() functions

Signed-off-by: Troy-Butler <squintik@outlook.com>

library/entropy.c

diff --git a/library/entropy.c b/library/entropy.c
index e3bc851..7dcf067 100644
--- a/library/entropy.c
+++ b/library/entropy.c
@@ -61,6 +61,10 @@
 
 void mbedtls_entropy_free(mbedtls_entropy_context *ctx)
 {
+    if (ctx == NULL) {
+        return;
+    }
+
     /* If the context was already free, don't call free() again.
      * This is important for mutexes which don't allow double-free. */
     if (ctx->accumulator_started == -1) {