diff --git a/libnfc/drivers/acr122s.c b/libnfc/drivers/acr122s.c
index 932d7c0..485c1dc 100644
--- a/libnfc/drivers/acr122s.c
+++ b/libnfc/drivers/acr122s.c
@@ -477,7 +477,9 @@ acr122s_scan(const nfc_context *context, nfc_connstring connstrings[], const siz
       DRIVER_DATA(pnd)->seq = 0;
 
 #ifndef WIN32
-      pipe(DRIVER_DATA(pnd)->abort_fds);
+      if (pipe(DRIVER_DATA(pnd)->abort_fds) < 0) {
+        return 0;
+      }
 #else
       DRIVER_DATA(pnd)->abort_flag = false;
 #endif
diff --git a/libnfc/drivers/arygon.c b/libnfc/drivers/arygon.c
index e713d4e..c7784d1 100644
--- a/libnfc/drivers/arygon.c
+++ b/libnfc/drivers/arygon.c
@@ -124,7 +124,9 @@ arygon_scan(const nfc_context *context, nfc_connstring connstrings[], const size
 
 #ifndef WIN32
       // pipe-based abort mecanism
-      pipe(DRIVER_DATA(pnd)->iAbortFds);
+      if (pipe(DRIVER_DATA(pnd)->iAbortFds) < 0) {
+        return 0;
+      }
 #else
       DRIVER_DATA(pnd)->abort_flag = false;
 #endif
diff --git a/libnfc/drivers/pn532_uart.c b/libnfc/drivers/pn532_uart.c
index c3bcd9d..0409ca5 100644
--- a/libnfc/drivers/pn532_uart.c
+++ b/libnfc/drivers/pn532_uart.c
@@ -101,7 +101,9 @@ pn532_uart_scan(const nfc_context *context, nfc_connstring connstrings[], const
 
 #ifndef WIN32
       // pipe-based abort mecanism
-      pipe(DRIVER_DATA(pnd)->iAbortFds);
+      if (pipe(DRIVER_DATA(pnd)->iAbortFds) < 0) {
+        return 0;
+      }
 #else
       DRIVER_DATA(pnd)->abort_flag = false;
 #endif
@@ -252,7 +254,9 @@ pn532_uart_open(const nfc_context *context, const nfc_connstring connstring)
 
 #ifndef WIN32
   // pipe-based abort mecanism
-  pipe(DRIVER_DATA(pnd)->iAbortFds);
+  if (pipe(DRIVER_DATA(pnd)->iAbortFds) < 0) {
+    return NULL;
+  }
 #else
   DRIVER_DATA(pnd)->abort_flag = false;
 #endif
@@ -484,7 +488,9 @@ pn532_uart_abort_command(nfc_device *pnd)
   if (pnd) {
 #ifndef WIN32
     close(DRIVER_DATA(pnd)->iAbortFds[0]);
-    pipe(DRIVER_DATA(pnd)->iAbortFds);
+    if (pipe(DRIVER_DATA(pnd)->iAbortFds) < 0) {
+      return NFC_ESOFT;
+    }
 #else
     DRIVER_DATA(pnd)->abort_flag = true;
 #endif
diff --git a/libnfc/nfc.c b/libnfc/nfc.c
index 7a6ae57..bb3a302 100644
--- a/libnfc/nfc.c
+++ b/libnfc/nfc.c
@@ -186,7 +186,7 @@ void
 nfc_exit(nfc_context *context)
 {
   while (nfc_drivers) {
-    struct nfc_driver_list *pndl = nfc_drivers;
+    struct nfc_driver_list *pndl = (struct nfc_driver_list *) nfc_drivers;
     nfc_drivers = pndl->next;
     free(pndl);
   }