diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c
index 8b0317a..575f12a 100644
--- a/tools/env/fw_env.c
+++ b/tools/env/fw_env.c
@@ -888,12 +888,13 @@ static int flash_write_buf (int dev, int fd, void *buf, size_t count,
 				}
 		}
 
-		if (lseek (fd, blockstart, SEEK_SET) == -1) {
-			fprintf (stderr,
-				 "Seek error on %s: %s\n",
-				 DEVNAME (dev), strerror (errno));
-			return -1;
-		}
+		if (blockstart != 0)
+			if (lseek (fd, blockstart, SEEK_SET) == -1) {
+				fprintf (stderr,
+					 "Seek error on %s: %s\n",
+					 DEVNAME (dev), strerror (errno));
+				return -1;
+			}
 
 #ifdef DEBUG
 		fprintf(stderr, "Write 0x%x bytes at 0x%llx\n", erasesize,
@@ -1025,25 +1026,8 @@ static int flash_read (int fd)
 		return -1;
 	}
 
-	if (S_ISCHR(st.st_mode)) {
-		rc = ioctl(fd, MEMGETINFO, &mtdinfo);
-		if (rc < 0) {
-			fprintf(stderr, "Cannot get MTD information for %s\n",
-				DEVNAME(dev_current));
-			return -1;
-		}
-		if (mtdinfo.type != MTD_NORFLASH &&
-		    mtdinfo.type != MTD_NANDFLASH &&
-		    mtdinfo.type != MTD_DATAFLASH &&
-		    mtdinfo.type != MTD_UBIVOLUME) {
-			fprintf (stderr, "Unsupported flash type %u on %s\n",
-				 mtdinfo.type, DEVNAME(dev_current));
-			return -1;
-		}
-	} else {
-		memset(&mtdinfo, 0, sizeof(mtdinfo));
-		mtdinfo.type = MTD_ABSENT;
-	}
+	memset(&mtdinfo, 0, sizeof(mtdinfo));
+	mtdinfo.type = MTD_ABSENT;
 
 	DEVTYPE(dev_current) = mtdinfo.type;