3 files changed, 6 insertions, 5 deletions
diff --git a/src/core/tsi/fake_transport_security.c b/src/core/tsi/fake_transport_security.c
index f58f04ea20..9ce1ddb95e 100644
--- a/src/core/tsi/fake_transport_security.c
+++ b/src/core/tsi/fake_transport_security.c
@@ -102,8 +102,8 @@ static tsi_result tsi_fake_handshake_message_from_string(
     const char* msg_string, tsi_fake_handshake_message* msg) {
   int i;
   for (i = 0; i < TSI_FAKE_HANDSHAKE_MESSAGE_MAX; i++) {
-    if (!strncmp(msg_string, tsi_fake_handshake_message_strings[i],
-                 strlen(tsi_fake_handshake_message_strings[i]))) {
+    if (strncmp(msg_string, tsi_fake_handshake_message_strings[i],
+                strlen(tsi_fake_handshake_message_strings[i])) == 0) {
       *msg = i;
       return TSI_OK;
     }
diff --git a/src/core/tsi/ssl_transport_security.c b/src/core/tsi/ssl_transport_security.c
index dc43f7e270..33645ca8b8 100644
--- a/src/core/tsi/ssl_transport_security.c
+++ b/src/core/tsi/ssl_transport_security.c
@@ -1083,7 +1083,8 @@ static int does_entry_match_name(const char* entry, size_t entry_length,
     if (entry_length == 0) return 0;
   }
 
-  if ((name_length == entry_length) && !strncmp(name, entry, entry_length)) {
+  if ((name_length == entry_length) &&
+      strncmp(name, entry, entry_length) == 0) {
     return 1; /* Perfect match. */
   }
   if (entry[0] != '*') return 0;
@@ -1110,7 +1111,7 @@ static int does_entry_match_name(const char* entry, size_t entry_length,
     name_subdomain_length--;
   }
   return ((entry_length > 0) && (name_subdomain_length == entry_length) &&
-          !strncmp(entry, name_subdomain, entry_length));
+          strncmp(entry, name_subdomain, entry_length) == 0);
 }
 
 static int ssl_server_handshaker_factory_servername_callback(SSL* ssl, int* ap,
diff --git a/src/core/tsi/transport_security.c b/src/core/tsi/transport_security.c
index c8c74c5de5..f4ab9d2bc6 100644
--- a/src/core/tsi/transport_security.c
+++ b/src/core/tsi/transport_security.c
@@ -208,7 +208,7 @@ const tsi_peer_property* tsi_peer_get_property_by_name(const tsi_peer* self,
       return property;
     }
     if (name != NULL && property->name != NULL &&
-        !strcmp(property->name, name)) {
+        strcmp(property->name, name) == 0) {
       return property;
     }
   }