Author: allanjude
Date: Sat Jun 16 04:50:40 2018
New Revision: 335246
URL: https://svnweb.freebsd.org/changeset/base/335246
Log:
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
Modified:
head/stand/i386/libi386/biosdisk.c
Modified: head/stand/i386/libi386/biosdisk.c
==============================================================================
--- head/stand/i386/libi386/biosdisk.c Sat Jun 16 02:50:29 2018
(r335245)
+++ head/stand/i386/libi386/biosdisk.c Sat Jun 16 04:50:40 2018
(r335246)
@@ -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");
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