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Diffstat (limited to 'common/cmd_nand.c')
-rw-r--r--common/cmd_nand.c40
1 files changed, 26 insertions, 14 deletions
diff --git a/common/cmd_nand.c b/common/cmd_nand.c
index 886212a..04ab0f1 100644
--- a/common/cmd_nand.c
+++ b/common/cmd_nand.c
@@ -42,6 +42,7 @@ static int nand_dump(nand_info_t *nand, ulong off, int only_oob, int repeat)
int i;
u_char *datbuf, *oobbuf, *p;
static loff_t last;
+ int ret = 0;
if (repeat)
off = last + nand->writesize;
@@ -49,11 +50,17 @@ static int nand_dump(nand_info_t *nand, ulong off, int only_oob, int repeat)
last = off;
datbuf = memalign(ARCH_DMA_MINALIGN, nand->writesize);
- oobbuf = memalign(ARCH_DMA_MINALIGN, nand->oobsize);
- if (!datbuf || !oobbuf) {
+ if (!datbuf) {
puts("No memory for page buffer\n");
return 1;
}
+
+ oobbuf = memalign(ARCH_DMA_MINALIGN, nand->oobsize);
+ if (!oobbuf) {
+ puts("No memory for page buffer\n");
+ ret = 1;
+ goto free_dat;
+ }
off &= ~(nand->writesize - 1);
loff_t addr = (loff_t) off;
struct mtd_oob_ops ops;
@@ -66,23 +73,25 @@ static int nand_dump(nand_info_t *nand, ulong off, int only_oob, int repeat)
i = mtd_read_oob(nand, addr, &ops);
if (i < 0) {
printf("Error (%d) reading page %08lx\n", i, off);
- free(datbuf);
- free(oobbuf);
- return 1;
+ ret = 1;
+ goto free_all;
}
printf("Page %08lx dump:\n", off);
- i = nand->writesize >> 4;
- p = datbuf;
- while (i--) {
- if (!only_oob)
+ if (!only_oob) {
+ i = nand->writesize >> 4;
+ p = datbuf;
+
+ while (i--) {
printf("\t%02x %02x %02x %02x %02x %02x %02x %02x"
" %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],
p[8], p[9], p[10], p[11], p[12], p[13], p[14],
p[15]);
- p += 16;
+ p += 16;
+ }
}
+
puts("OOB:\n");
i = nand->oobsize >> 3;
p = oobbuf;
@@ -91,10 +100,13 @@ static int nand_dump(nand_info_t *nand, ulong off, int only_oob, int repeat)
p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
p += 8;
}
- free(datbuf);
+
+free_all:
free(oobbuf);
+free_dat:
+ free(datbuf);
- return 0;
+ return ret;
}
/* ------------------------------------------------------------------------- */
@@ -604,11 +616,11 @@ static int do_nand(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
opts.scrub = 1;
else {
puts("scrub aborted\n");
- return -1;
+ return 1;
}
} else {
puts("scrub aborted\n");
- return -1;
+ return 1;
}
}
ret = nand_erase_opts(nand, &opts);