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crc32: miscellaneous cleanups

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Misc cleanup of lib/crc32.c and related files.

- remove unnecessary header files.

- straighten out some convoluted ifdef's

- rewrite some references to 2 dimensional arrays as 1 dimensional
  arrays to make them correct.  I.e.  replace tab[i] with tab[0][i].

- a few trivial whitespace changes

- fix a warning in gen_crc32tables.c caused by a mismatch in the type of
  the pointer passed to output table.  Since the table is only used at
  kernel compile time, it is simpler to make the table big enough to hold
  the largest column size used.  One cannot make the column size smaller
  in output_table because it has to be used by both the le and be tables
  and they can have different column sizes.

[djwong@us.ibm.com: Minor changelog tweaks]
Signed-off-by: Bob Pearson <rpearson@systemfabricworks.com>
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Bob Pearson
2012-03-23 15:02:22 -07:00
committed by Linus Torvalds
parent 3863ef31dc
commit 60e58d5c9d
2 changed files with 44 additions and 76 deletions
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6
lib/gen_crc32table.c
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@@ -7,8 +7,8 @@
#define LE_TABLE_SIZE (1 << CRC_LE_BITS)
#define BE_TABLE_SIZE (1 << CRC_BE_BITS)
static uint32_t crc32table_le[4][LE_TABLE_SIZE];
static uint32_t crc32table_be[4][BE_TABLE_SIZE];
static uint32_t crc32table_le[4][256];
static uint32_t crc32table_be[4][256];
/**
* crc32init_le() - allocate and initialize LE table data
@@ -62,7 +62,7 @@ static void crc32init_be(void)
}
}
static void output_table(uint32_t table[4][256], int len, char *trans)
static void output_table(uint32_t (*table)[256], int len, char *trans)
{
int i, j;