crc32.c in its original version freely mixed u32, __le32 and __be32 types
which caused warnings from sparse with __CHECK_ENDIAN__. This patch fixes
these by forcing the types to u32.
[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>
#include "crc32defs.h"
#if CRC_LE_BITS == 8
#include "crc32defs.h"
#if CRC_LE_BITS == 8
-# define tole(x) __constant_cpu_to_le32(x)
+# define tole(x) ((__force u32) __constant_cpu_to_le32(x))
#else
# define tole(x) (x)
#endif
#if CRC_BE_BITS == 8
#else
# define tole(x) (x)
#endif
#if CRC_BE_BITS == 8
-# define tobe(x) __constant_cpu_to_be32(x)
+# define tobe(x) ((__force u32) __constant_cpu_to_be32(x))
#else
# define tobe(x) (x)
#endif
#else
# define tobe(x) (x)
#endif
# elif CRC_LE_BITS == 8
const u32 (*tab)[] = crc32table_le;
# elif CRC_LE_BITS == 8
const u32 (*tab)[] = crc32table_le;
- crc = __cpu_to_le32(crc);
+ crc = (__force u32) __cpu_to_le32(crc);
crc = crc32_body(crc, p, len, tab);
crc = crc32_body(crc, p, len, tab);
- crc = __le32_to_cpu(crc);
+ crc = __le32_to_cpu((__force __le32)crc);
# elif CRC_BE_BITS == 8
const u32 (*tab)[] = crc32table_be;
# elif CRC_BE_BITS == 8
const u32 (*tab)[] = crc32table_be;
- crc = __cpu_to_be32(crc);
+ crc = (__force u32) __cpu_to_be32(crc);
crc = crc32_body(crc, p, len, tab);
crc = crc32_body(crc, p, len, tab);
- crc = __be32_to_cpu(crc);
+ crc = __be32_to_cpu((__force __be32)crc);