[package] kernel: fix kmod-ipt-iprange (closes: #6187)

[openwrt.git] / package / mtd / src / mtd.c

diff --git a/package/mtd/src/mtd.c b/package/mtd/src/mtd.c
index b9b2763..2639b4e 100644 (file)
--- a/package/mtd/src/mtd.c
+++ b/package/mtd/src/mtd.c
@@ -1,13 +1,12 @@
 /*
  * mtd - simple memory technology device manipulation tool
  *
- * Copyright (C) 2005 Waldemar Brodkorb <wbx@dass-it.de>,
- *                       Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2005      Waldemar Brodkorb <wbx@dass-it.de>,
+ * Copyright (C) 2005-2009 Felix Fietkau <nbd@openwrt.org>
  *
  * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
+ * modify it under the terms of the GNU General Public License v2
+ * as published by the Free Software Foundation.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -99,13 +98,13 @@ int mtd_check_open(const char *mtd)
        fd = mtd_open(mtd, false);
        if(fd < 0) {
                fprintf(stderr, "Could not open mtd device: %s\n", mtd);
-               return 0;
+               return -1;
        }
 
        if(ioctl(fd, MEMGETINFO, &mtdInfo)) {
                fprintf(stderr, "Could not get MTD device info from %s\n", mtd);
                close(fd);
-               return 0;
+               return -1;
        }
        mtdsize = mtdInfo.size;
        erasesize = mtdInfo.erasesize;
@@ -163,7 +162,7 @@ static int mtd_check(const char *mtd)
                }
 
                fd = mtd_check_open(mtd);
-               if (!fd)
+               if (fd < 0)
                        return 0;
 
                if (!buf)
@@ -200,7 +199,7 @@ mtd_unlock(const char *mtd)
                }
 
                fd = mtd_check_open(mtd);
-               if(fd <= 0) {
+               if(fd < 0) {
                        fprintf(stderr, "Could not open mtd device: %s\n", mtd);
                        exit(1);
                }
@@ -231,7 +230,7 @@ mtd_erase(const char *mtd)
                fprintf(stderr, "Erasing %s ...\n", mtd);
 
        fd = mtd_check_open(mtd);
-       if(fd <= 0) {
+       if(fd < 0) {
                fprintf(stderr, "Could not open mtd device: %s\n", mtd);
                exit(1);
        }
@@ -261,7 +260,7 @@ mtd_refresh(const char *mtd)
                fprintf(stderr, "Refreshing mtd partition %s ... ", mtd);
 
        fd = mtd_check_open(mtd);
-       if(fd <= 0) {
+       if(fd < 0) {
                fprintf(stderr, "Could not open mtd device: %s\n", mtd);
                exit(1);
        }