Merge branch 'master' of ../master into next

5 files changed, 79 insertions, 16 deletions

diff --git a/common/cmd_onenand.c b/common/cmd_onenand.c
index 33108f1b34..cb2ba70517 100644
--- a/common/cmd_onenand.c
+++ b/common/cmd_onenand.c
@@ -293,7 +293,7 @@ static int onenand_dump(struct mtd_info *mtd, ulong off, int only_oob)
 	addr = (loff_t) off;
 	memset(&ops, 0, sizeof(ops));
 	ops.datbuf = datbuf;
-	ops.oobbuf = oobbuf; /* must exist, but oob data will be appended to ops.datbuf */
+	ops.oobbuf = oobbuf;
 	ops.len = mtd->writesize;
 	ops.ooblen = mtd->oobsize;
 	ops.retlen = 0;
@@ -319,6 +319,8 @@ static int onenand_dump(struct mtd_info *mtd, ulong off, int only_oob)
 	}
 	puts("OOB:\n");
 	i = mtd->oobsize >> 3;
+	p = oobbuf;
+
 	while (i--) {
 		printf("\t%02x %02x %02x %02x %02x %02x %02x %02x\n",
 		       p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
diff --git a/common/cmd_ubi.c b/common/cmd_ubi.c
index 7692ac7716..b486ca8fef 100644
--- a/common/cmd_ubi.c
+++ b/common/cmd_ubi.c
@@ -42,6 +42,11 @@ struct selected_dev {
 
 static struct selected_dev ubi_dev;
 
+#ifdef CONFIG_CMD_UBIFS
+int ubifs_is_mounted(void);
+void cmd_ubifs_umount(void);
+#endif
+
 static void ubi_dump_vol_info(const struct ubi_volume *vol)
 {
 	ubi_msg("volume information dump:");
@@ -472,6 +477,16 @@ static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 		if (argc < 3)
 			return cmd_usage(cmdtp);
 
+#ifdef CONFIG_CMD_UBIFS
+		/*
+		 * Automatically unmount UBIFS partition when user
+		 * changes the UBI device. Otherwise the following
+		 * UBIFS commands will crash.
+		 */
+		if (ubifs_is_mounted())
+			cmd_ubifs_umount();
+#endif
+
 		/* todo: get dev number for NAND... */
 		ubi_dev.nr = 0;
 
diff --git a/common/cmd_ubifs.c b/common/cmd_ubifs.c
index a0ec184486..3cd2d8fa82 100644
--- a/common/cmd_ubifs.c
+++ b/common/cmd_ubifs.c
@@ -33,12 +33,17 @@
 #include <config.h>
 #include <command.h>
 
+#include "../fs/ubifs/ubifs.h"
+
 static int ubifs_initialized;
 static int ubifs_mounted;
 
+extern struct super_block *ubifs_sb;
+
 /* Prototypes */
 int ubifs_init(void);
 int ubifs_mount(char *vol_name);
+void ubifs_umount(struct ubifs_info *c);
 int ubifs_ls(char *dir_name);
 int ubifs_load(char *filename, u32 addr, u32 size);
 
@@ -67,13 +72,47 @@ int do_ubifs_mount(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	return 0;
 }
 
+int ubifs_is_mounted(void)
+{
+	return ubifs_mounted;
+}
+
+void cmd_ubifs_umount(void)
+{
+
+	if (ubifs_sb) {
+		printf("Unmounting UBIFS volume %s!\n",
+		       ((struct ubifs_info *)(ubifs_sb->s_fs_info))->vi.name);
+		ubifs_umount(ubifs_sb->s_fs_info);
+	}
+
+	ubifs_sb = NULL;
+	ubifs_mounted = 0;
+	ubifs_initialized = 0;
+}
+
+int do_ubifs_umount(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	if (argc != 1)
+		return cmd_usage(cmdtp);
+
+	if (ubifs_initialized == 0) {
+		printf("No UBIFS volume mounted!\n");
+		return -1;
+	}
+
+	cmd_ubifs_umount();
+
+	return 0;
+}
+
 int do_ubifs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	char *filename = "/";
 	int ret;
 
 	if (!ubifs_mounted) {
-		printf("UBIFS not mounted, use ubifs mount to mount volume first!\n");
+		printf("UBIFS not mounted, use ubifsmount to mount volume first!\n");
 		return -1;
 	}
 
@@ -132,6 +171,12 @@ U_BOOT_CMD(
 );
 
 U_BOOT_CMD(
+	ubifsumount, 1, 0, do_ubifs_umount,
+	"unmount UBIFS volume",
+	"    - unmount current volume"
+);
+
+U_BOOT_CMD(
 	ubifsls, 2, 0, do_ubifs_ls,
 	"list files in a directory",
 	"[directory]\n"
diff --git a/common/env_nand.c b/common/env_nand.c
index 4e8307aa33..7f6c917518 100644
--- a/common/env_nand.c
+++ b/common/env_nand.c
@@ -297,7 +297,7 @@ int readenv(size_t offset, u_char * buf)
 			offset += blocksize;
 		} else {
 			char_ptr = &buf[amount_loaded];
-			if (nand_read(&nand_info[0], offset, &len, char_ptr))
+			if (nand_read_skip_bad(&nand_info[0], offset, &len, char_ptr))
 				return 1;
 			offset += blocksize;
 			amount_loaded += len;
diff --git a/common/hwconfig.c b/common/hwconfig.c
index 3c9759fc55..193863a970 100644
--- a/common/hwconfig.c
+++ b/common/hwconfig.c
@@ -68,14 +68,14 @@ next:
 	return NULL;
 }
 
-const char *cpu_hwconfig __attribute__((weak));
-const char *board_hwconfig __attribute__((weak));
+const char cpu_hwconfig[] __attribute__((weak)) = "";
+const char board_hwconfig[] __attribute__((weak)) = "";
 
 #define HWCONFIG_PRE_RELOC_BUF_SIZE	128
 
 static const char *__hwconfig(const char *opt, size_t *arglen)
 {
-	const char *env_hwconfig = NULL;
+	const char *env_hwconfig = NULL, *ret;
 	char buf[HWCONFIG_PRE_RELOC_BUF_SIZE];
 
 	if (gd->flags & GD_FLG_ENV_READY) {
@@ -92,19 +92,20 @@ static const char *__hwconfig(const char *opt, size_t *arglen)
 			env_hwconfig = buf;
 	}
 
-	if (env_hwconfig)
-		return hwconfig_parse(env_hwconfig, strlen(env_hwconfig),
+	if (env_hwconfig) {
+		ret = hwconfig_parse(env_hwconfig, strlen(env_hwconfig),
 				      opt, ";", ':', arglen);
+		if (ret)
+			return ret;
+	}
 
-	if (board_hwconfig)
-		return hwconfig_parse(board_hwconfig, strlen(board_hwconfig),
-				      opt, ";", ':', arglen);
+	ret = hwconfig_parse(board_hwconfig, strlen(board_hwconfig),
+			opt, ";", ':', arglen);
+	if (ret)
+		return ret;
 
-	if (cpu_hwconfig)
-		return hwconfig_parse(cpu_hwconfig, strlen(cpu_hwconfig),
-				      opt, ";", ':', arglen);
-
-	return NULL;
+	return hwconfig_parse(cpu_hwconfig, strlen(cpu_hwconfig),
+			opt, ";", ':', arglen);
 }
 
 /*