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nanddump: make oobbuf allocation dynamic

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In accordance with upstream mtd-utils commit 96a5eeaf (mtd-utils: nanddump:
Dynamic buffer, increase pagesize/oobsize).

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
This commit is contained in:
Baruch Siach 2010-10-18 11:35:30 +02:00 committed by Denys Vlasenko
parent c48a5c607d
commit d982da79de
1 changed files with 6 additions and 6 deletions
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12
miscutils/nandwrite.c
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@ -60,7 +60,6 @@
#define OPT_f (1 << 3) #define OPT_f (1 << 3)
#define OPT_l (1 << 4) #define OPT_l (1 << 4)
#define NAND_MAX_OOBSIZE 256
/* helper for writing out 0xff for bad blocks pad */ /* helper for writing out 0xff for bad blocks pad */
static void dump_bad(struct mtd_info_user *meminfo, unsigned len, int oob) static void dump_bad(struct mtd_info_user *meminfo, unsigned len, int oob)
{ {
@ -103,7 +102,7 @@ int nandwrite_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int nandwrite_main(int argc UNUSED_PARAM, char **argv) int nandwrite_main(int argc UNUSED_PARAM, char **argv)
{ {
/* Buffer for OOB data */ /* Buffer for OOB data */
unsigned char oobbuf[NAND_MAX_OOBSIZE]; unsigned char *oobbuf;
unsigned opts; unsigned opts;
int fd; int fd;
ssize_t cnt; ssize_t cnt;
@ -135,10 +134,6 @@ int nandwrite_main(int argc UNUSED_PARAM, char **argv)
fd = xopen(argv[0], O_RDWR); fd = xopen(argv[0], O_RDWR);
xioctl(fd, MEMGETINFO, &meminfo); xioctl(fd, MEMGETINFO, &meminfo);
oob.start = 0;
oob.length = meminfo.oobsize;
oob.ptr = oobbuf;
mtdoffset = xstrtou(opt_s, 0); mtdoffset = xstrtou(opt_s, 0);
if (IS_NANDDUMP && (opts & OPT_l)) { if (IS_NANDDUMP && (opts & OPT_l)) {
unsigned length = xstrtou(opt_l, 0); unsigned length = xstrtou(opt_l, 0);
@ -153,6 +148,11 @@ int nandwrite_main(int argc UNUSED_PARAM, char **argv)
bb_error_msg_and_die("start address is not page aligned"); bb_error_msg_and_die("start address is not page aligned");
filebuf = xmalloc(meminfo_writesize); filebuf = xmalloc(meminfo_writesize);
oobbuf = xmalloc(meminfo.oobsize);
oob.start = 0;
oob.length = meminfo.oobsize;
oob.ptr = oobbuf;
blockstart = mtdoffset & ~(meminfo.erasesize - 1); blockstart = mtdoffset & ~(meminfo.erasesize - 1);
if (blockstart != mtdoffset) { if (blockstart != mtdoffset) {