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ext2: Fix checkpatch violations

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Fix all checkpatch violations in the low level Ext2 block
device reading code.  This is done in preparation for cleaning
up the partial sector access code.

Signed-off-by: Anton Staaf <robotboy@chromium.org>
Cc: Andy Fleming <afleming@freescale.com>
Acked-by: Detlev Zundel <dzu@denx.de>
This commit is contained in:
Anton Staaf 2011-06-13 11:40:39 +00:00 • committed by Wolfgang Denk
parent c00e17c7fe
commit 9bac35f57b
1 changed files with 43 additions and 39 deletions
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82
fs/ext2/dev.c
View file

@ -31,7 +31,7 @@
static block_dev_desc_t *ext2fs_block_dev_desc;
static disk_partition_t part_info;
int ext2fs_set_blk_dev (block_dev_desc_t * rbdd, int part)
int ext2fs_set_blk_dev(block_dev_desc_t *rbdd, int part)
{
ext2fs_block_dev_desc = rbdd;
@ -46,51 +46,55 @@ int ext2fs_set_blk_dev (block_dev_desc_t * rbdd, int part)
return 0;
}
}
return (part_info.size);
return part_info.size;
}
int ext2fs_devread (int sector, int byte_offset, int byte_len, char *buf) {
int ext2fs_devread(int sector, int byte_offset, int byte_len, char *buf)
{
char sec_buf[SECTOR_SIZE];
unsigned block_len;
/*
* Check partition boundaries
*/
if ((sector < 0)
|| ((sector + ((byte_offset + byte_len - 1) >> SECTOR_BITS)) >=
/*
* Check partition boundaries
*/
if ((sector < 0) ||
((sector + ((byte_offset + byte_len - 1) >> SECTOR_BITS)) >=
part_info.size)) {
/* errnum = ERR_OUTSIDE_PART; */
printf (" ** ext2fs_devread() read outside partition sector %d\n", sector);
return (0);
/* errnum = ERR_OUTSIDE_PART; */
printf(" ** %s read outside partition sector %d\n",
__func__,
sector);
return 0;
}
/*
* Get the read to the beginning of a partition.
*/
/*
* Get the read to the beginning of a partition.
*/
sector += byte_offset >> SECTOR_BITS;
byte_offset &= SECTOR_SIZE - 1;
debug (" <%d, %d, %d>\n", sector, byte_offset, byte_len);
debug(" <%d, %d, %d>\n", sector, byte_offset, byte_len);
if (ext2fs_block_dev_desc == NULL) {
printf ("** Invalid Block Device Descriptor (NULL)\n");
return (0);
printf(" ** %s Invalid Block Device Descriptor (NULL)\n",
__func__);
return 0;
}
if (byte_offset != 0) {
/* read first part which isn't aligned with start of sector */
if (ext2fs_block_dev_desc->
block_read (ext2fs_block_dev_desc->dev,
part_info.start + sector, 1,
(unsigned long *) sec_buf) != 1) {
printf (" ** ext2fs_devread() read error **\n");
return (0);
block_read(ext2fs_block_dev_desc->dev,
part_info.start + sector, 1,
(unsigned long *) sec_buf) != 1) {
printf(" ** %s read error **\n", __func__);
return 0;
}
memcpy (buf, sec_buf + byte_offset,
min (SECTOR_SIZE - byte_offset, byte_len));
buf += min (SECTOR_SIZE - byte_offset, byte_len);
byte_len -= min (SECTOR_SIZE - byte_offset, byte_len);
memcpy(buf, sec_buf + byte_offset,
min(SECTOR_SIZE - byte_offset, byte_len));
buf += min(SECTOR_SIZE - byte_offset, byte_len);
byte_len -= min(SECTOR_SIZE - byte_offset, byte_len);
sector++;
}
@ -111,13 +115,13 @@ int ext2fs_devread (int sector, int byte_offset, int byte_len, char *buf) {
return 1;
}
if (ext2fs_block_dev_desc->block_read (ext2fs_block_dev_desc->dev,
part_info.start + sector,
block_len / SECTOR_SIZE,
(unsigned long *) buf) !=
if (ext2fs_block_dev_desc->block_read(ext2fs_block_dev_desc->dev,
part_info.start + sector,
block_len / SECTOR_SIZE,
(unsigned long *) buf) !=
block_len / SECTOR_SIZE) {
printf (" ** ext2fs_devread() read error - block\n");
return (0);
printf(" ** %s read error - block\n", __func__);
return 0;
}
block_len = byte_len & ~(SECTOR_SIZE - 1);
buf += block_len;
@ -127,13 +131,13 @@ int ext2fs_devread (int sector, int byte_offset, int byte_len, char *buf) {
if (byte_len != 0) {
/* read rest of data which are not in whole sector */
if (ext2fs_block_dev_desc->
block_read (ext2fs_block_dev_desc->dev,
part_info.start + sector, 1,
(unsigned long *) sec_buf) != 1) {
printf (" ** ext2fs_devread() read error - last part\n");
return (0);
block_read(ext2fs_block_dev_desc->dev,
part_info.start + sector, 1,
(unsigned long *) sec_buf) != 1) {
printf(" ** %s read error - last part\n", __func__);
return 0;
}
memcpy (buf, sec_buf, byte_len);
memcpy(buf, sec_buf, byte_len);
}
return (1);
return 1;
}