biosdisk.c remove redundant variable

`rdev` and `disk` serve the same purpose, read the partition table without
the `d_offset` or `d_slice` set, so the read is relative to the start of
the disk. Reuse the already initialized `disk` instead of making another
copy later.

Sponsored by:	Klara Systems
This commit is contained in:
Allan Jude 2018-06-16 04:50:40 +00:00
parent 86981e426d
commit bdeee1b234
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=335246

View File

@ -379,7 +379,7 @@ bd_print(int verbose)
static int
bd_open(struct open_file *f, ...)
{
struct disk_devdesc *dev, rdev;
struct disk_devdesc *dev;
struct disk_devdesc disk;
int err, g_err;
va_list ap;
@ -445,11 +445,8 @@ bd_open(struct open_file *f, ...)
dskp.part = dev->d_partition;
dskp.start = dev->d_offset;
memcpy(&rdev, dev, sizeof(rdev));
/* to read the GPT table, we need to read the first sector */
rdev.d_offset = 0;
/* We need the LBA of the end of the partition */
table = ptable_open(&rdev, BD(dev).bd_sectors,
table = ptable_open(&disk, BD(dev).bd_sectors,
BD(dev).bd_sectorsize, ptblread);
if (table == NULL) {
DEBUG("Can't read partition table");