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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
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48
block/partitions/ultrix.c Normal file
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/*
* fs/partitions/ultrix.c
*
* Code extracted from drivers/block/genhd.c
*
* Re-organised Jul 1999 Russell King
*/
#include "check.h"
#include "ultrix.h"
int ultrix_partition(struct parsed_partitions *state)
{
int i;
Sector sect;
unsigned char *data;
struct ultrix_disklabel {
s32 pt_magic; /* magic no. indicating part. info exits */
s32 pt_valid; /* set by driver if pt is current */
struct pt_info {
s32 pi_nblocks; /* no. of sectors */
u32 pi_blkoff; /* block offset for start */
} pt_part[8];
} *label;
#define PT_MAGIC 0x032957 /* Partition magic number */
#define PT_VALID 1 /* Indicates if struct is valid */
data = read_part_sector(state, (16384 - sizeof(*label))/512, &sect);
if (!data)
return -1;
label = (struct ultrix_disklabel *)(data + 512 - sizeof(*label));
if (label->pt_magic == PT_MAGIC && label->pt_valid == PT_VALID) {
for (i=0; i<8; i++)
if (label->pt_part[i].pi_nblocks)
put_partition(state, i+1,
label->pt_part[i].pi_blkoff,
label->pt_part[i].pi_nblocks);
put_dev_sector(sect);
strlcat(state->pp_buf, "\n", PAGE_SIZE);
return 1;
} else {
put_dev_sector(sect);
return 0;
}
}