Messages in this thread Patch in this message | | | Date | Wed, 10 Aug 2011 17:44:32 -0500 | From | Bob Pearson <> | Subject | [patch v5 5/8] crc32-fix-check-endian-warnings.diff |
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crc32.c freely mixes u32, __le32 and __be32 types. Fix warnings from sparse with "-D__CHECK_ENDIAN__" by some emphatic casts.
Signed-off-by: Bob Pearson <rpearson@systemfabricworks.com>
--- lib/crc32.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
Index: infiniband/lib/crc32.c =================================================================== --- infiniband.orig/lib/crc32.c +++ infiniband/lib/crc32.c @@ -26,13 +26,13 @@ #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 -# define tobe(x) __constant_cpu_to_be32(x) +# define tobe(x) (__force u32) __constant_cpu_to_be32(x) #else # define tobe(x) (x) #endif @@ -126,9 +126,9 @@ u32 __pure crc32_le(u32 crc, unsigned ch # 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 = __le32_to_cpu(crc); + crc = __le32_to_cpu((__force __le32)crc); #endif return crc; } @@ -169,9 +169,9 @@ u32 __pure crc32_be(u32 crc, unsigned ch # 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 = __be32_to_cpu(crc); + crc = __be32_to_cpu((__force __be32)crc); # endif return crc; }
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