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authorWolfgang Denk <wd@denx.de>2009-05-24 17:34:33 +0200
committerScott Wood <scottwood@freescale.com>2009-07-07 17:58:05 -0500
commit8360b66bac9567701027a0087274d0c9b2fe8d6b (patch)
tree6278f88b25ecfd5b12eb9a68e93d8bd2dd77d8f4 /common/cmd_onenand.c
parentcd84423a09f3a08029fe41c1db96168debd0b51f (diff)
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nand/onenand: Fix missing argument checking for "markbad" command
The "nand markbad" and "onenand markbad" commands did not check if an argument was passed; if this was forgotten, no error was raised but block 0 was marked as bad. While fixing this bug, clean up the code a bit and allow to pass more than one block address, thus allowing to mark several blocks as bad in a single command invocation. Signed-off-by: Wolfgang Denk <wd@denx.de> Signed-off-by: Scott Wood <scottwood@freescale.com>
Diffstat (limited to 'common/cmd_onenand.c')
-rw-r--r--common/cmd_onenand.c35
1 files changed, 23 insertions, 12 deletions
diff --git a/common/cmd_onenand.c b/common/cmd_onenand.c
index 85bd2cb..9090940 100644
--- a/common/cmd_onenand.c
+++ b/common/cmd_onenand.c
@@ -340,7 +340,7 @@ int do_onenand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
int blocksize;
ulong addr, ofs;
size_t len, retlen = 0;
- int ret;
+ int ret = 0;
char *cmd, *s;
mtd = &onenand_mtd;
@@ -434,18 +434,29 @@ int do_onenand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
}
if (strcmp(cmd, "markbad") == 0) {
- addr = (ulong)simple_strtoul(argv[2], NULL, 16);
+ argc -= 2;
+ argv += 2;
- int ret = mtd->block_markbad(mtd, addr);
- if (ret == 0) {
- printf("block 0x%08lx successfully marked as bad\n",
- (ulong) addr);
- return 0;
- } else {
- printf("block 0x%08lx NOT marked as bad! ERROR %d\n",
- (ulong) addr, ret);
+ if (argc <= 0)
+ goto usage;
+
+ while (argc > 0) {
+ addr = simple_strtoul(*argv, NULL, 16);
+
+ if (mtd->block_markbad(mtd, addr)) {
+ printf("block 0x%08lx NOT marked "
+ "as bad! ERROR %d\n",
+ addr, ret);
+ ret = 1;
+ } else {
+ printf("block 0x%08lx successfully "
+ "marked as bad\n",
+ addr);
+ }
+ --argc;
+ ++argv;
}
- return 1;
+ return ret;
}
if (strncmp(cmd, "dump", 4) == 0) {
@@ -474,7 +485,7 @@ usage:
}
U_BOOT_CMD(
- onenand, 6, 1, do_onenand,
+ onenand, CONFIG_SYS_MAXARGS, 1, do_onenand,
"OneNAND sub-system",
"info - show available OneNAND devices\n"
"onenand bad - show bad blocks\n"