diff --git a/drivers/lcd/ft80x.c b/drivers/lcd/ft80x.c
index 3397c7d2fe..dbc58d322b 100644
--- a/drivers/lcd/ft80x.c
+++ b/drivers/lcd/ft80x.c
@@ -682,6 +682,31 @@ static int ft80x_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
         }
         break;
 
+      /* FT80X_IOC_PUTRAMCMD
+       *   Description:  Write 32-bit aligned data to FT80x FIFO (RAM_CMD)
+       *   Argument:     A reference to an instance of struct ft80x_relmem_s below.
+       *   Returns:      None.
+       */
+
+      case FT80X_IOC_PUTRAMCMD:
+        {
+          FAR struct ft80x_relmem_s *ramcmd =
+            (FAR struct ft80x_relmem_s *)((uintptr_t)arg);
+
+          if (ramcmd == NULL || ((uintptr_t)&ramcmd->offset & 3) != 0 /* ||
+              ramcmd->offset >= FT80X_CMDFIFO_SIZE */ )
+            {
+              ret = -EINVAL;
+            }
+          else
+            {
+              ft80x_write_memory(priv, FT80X_RAM_CMD + ramcmd->offset,
+                                ramcmd->value, ramcmd->nbytes);
+              ret = OK;
+            }
+        }
+        break;
+
       /* FT80X_IOC_GETREG8:
        *   Description:  Read an 8-bit register value from the FT80x.
        *   Argument:     A reference to an instance of struct ft80x_register_s.
diff --git a/include/nuttx/lcd/ft80x.h b/include/nuttx/lcd/ft80x.h
index 7251ff1b10..c8a33bf4aa 100644
--- a/include/nuttx/lcd/ft80x.h
+++ b/include/nuttx/lcd/ft80x.h
@@ -127,7 +127,7 @@
  * either case but must be subsequently obtained using FT80X_IOC_GETRAMDL.
  *
  * FT80X_IOC_GETRAMDL:
- *   Description:  Read a 32-bit value from the display list.
+ *   Description:  Read a 32-bit aligned data from the display list.
  *   Argument:     A reference to an instance of struct ft80x_relmem_s below.
  *   Returns:      The 32-bit value read from the display list.
  *
@@ -136,6 +136,11 @@
  *   Argument:     A reference to an instance of struct ft80x_relmem_s below.
  *   Returns:      None.
  *
+ * FT80X_IOC_PUTRAMCMD
+ *   Description:  Write 32-bit aligned data to FT80x FIFO (RAM_CMD)
+ *   Argument:     A reference to an instance of struct ft80x_relmem_s below.
+ *   Returns:      None.
+ *
  * FT80X_IOC_GETREG8:
  *   Description:  Read an 8-bit register value from the FT80x.
  *   Argument:     A reference to an instance of struct ft80x_register_s below.
@@ -182,13 +187,14 @@
 #define FT80X_IOC_APPENDDL          _LCDIOC(FT80X_NIOCTL_BASE + 1)
 #define FT80X_IOC_GETRAMDL          _LCDIOC(FT80X_NIOCTL_BASE + 2)
 #define FT80X_IOC_PUTRAMG           _LCDIOC(FT80X_NIOCTL_BASE + 3)
-#define FT80X_IOC_GETREG8           _LCDIOC(FT80X_NIOCTL_BASE + 4)
-#define FT80X_IOC_GETREG16          _LCDIOC(FT80X_NIOCTL_BASE + 5)
-#define FT80X_IOC_GETREG32          _LCDIOC(FT80X_NIOCTL_BASE + 6)
-#define FT80X_IOC_PUTREG8           _LCDIOC(FT80X_NIOCTL_BASE + 7)
-#define FT80X_IOC_PUTREG16          _LCDIOC(FT80X_NIOCTL_BASE + 8)
-#define FT80X_IOC_PUTREG32          _LCDIOC(FT80X_NIOCTL_BASE + 9)
-#define FT80X_IOC_EVENTNOTIFY       _LCDIOC(FT80X_NIOCTL_BASE + 10)
+#define FT80X_IOC_PUTRAMCMD         _LCDIOC(FT80X_NIOCTL_BASE + 4)
+#define FT80X_IOC_GETREG8           _LCDIOC(FT80X_NIOCTL_BASE + 5)
+#define FT80X_IOC_GETREG16          _LCDIOC(FT80X_NIOCTL_BASE + 6)
+#define FT80X_IOC_GETREG32          _LCDIOC(FT80X_NIOCTL_BASE + 7)
+#define FT80X_IOC_PUTREG8           _LCDIOC(FT80X_NIOCTL_BASE + 8)
+#define FT80X_IOC_PUTREG16          _LCDIOC(FT80X_NIOCTL_BASE + 9)
+#define FT80X_IOC_PUTREG32          _LCDIOC(FT80X_NIOCTL_BASE + 10)
+#define FT80X_IOC_EVENTNOTIFY       _LCDIOC(FT80X_NIOCTL_BASE + 11)
 
 /* FT80x Memory Map *************************************************************************/
 
@@ -1353,8 +1359,8 @@ struct ft80x_displaylist_s
   struct ft80x_dlcmd_s cmd; /* First command in the display list  */
 };
 
-/* This structure is used with the FT80X_IOC_GETRAMDL and FT80X_IOC_PUTRAMG IOCTL commands to
- * access particular memory regions via an offset.
+/* This structure is used with the FT80X_IOC_GETRAMDL, FT80X_IOC_PUTRAMG, and
+ * FT80X_IOC_PUTRAMCMD IOCTL commands to access particular memory regions via an offset.
  *
  * NOTES:
  *   - For FT80X_IOC_GET* commands, the value is an output; for FT80X_IOC_PUT* command, the
diff --git a/include/nuttx/lcd/lcd_ioctl.h b/include/nuttx/lcd/lcd_ioctl.h
index 7c6737d11b..7fd9301fd5 100644
--- a/include/nuttx/lcd/lcd_ioctl.h
+++ b/include/nuttx/lcd/lcd_ioctl.h
@@ -50,7 +50,7 @@
 
 /* IOCTL commands set aside for FT80x character driver */
 
-#define FT80X_NIOCTL_CMDS  11
+#define FT80X_NIOCTL_CMDS  12
 #define FT80X_NIOCTL_BASE  0x0001
 
 #endif /* __INCLUDE_NUTTX_INPUT_LCD_IOCTL_H */
diff --git a/sched/signal/sig_procmask.c b/sched/signal/sig_procmask.c
index 27f1d77102..166ba456df 100644
--- a/sched/signal/sig_procmask.c
+++ b/sched/signal/sig_procmask.c
@@ -113,7 +113,7 @@ int nxsig_procmask(int how, FAR const sigset_t *set, FAR sigset_t *oset)
   /* Return the old signal mask if requested */
 
   oldsigprocmask = rtcb->sigprocmask;
-  if (oset)
+  if (oset != NULL)
     {
       *oset = oldsigprocmask;
     }