The patch titled
Subject: crc32: fix mixing of endian-specific types
has been added to the -mm tree. Its filename is
crc32-fix-mixing-of-endian-specific-types.patch
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From: Bob Pearson <rpearson@xxxxxxxxxxxxxxxxxxxxx>
Subject: crc32: fix mixing of endian-specific types
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@xxxxxxxxxx: Minor changelog tweaks]
Signed-off-by: Bob Pearson <rpearson@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/crc32.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff -puN lib/crc32.c~crc32-fix-mixing-of-endian-specific-types lib/crc32.c
--- a/lib/crc32.c~crc32-fix-mixing-of-endian-specific-types
+++ a/lib/crc32.c
@@ -28,13 +28,13 @@
#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
@@ -128,9 +128,9 @@ 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;
}
@@ -171,9 +171,9 @@ 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;
}
_
Subject: Subject: crc32: fix mixing of endian-specific types
Patches currently in -mm which might be from rpearson@xxxxxxxxxxxxxxxxxxxxx are
origin.patch
crc32-removed-two-instances-of-trailing-whitespaces.patch
crc32-move-long-comment-about-crc32-fundamentals-to-documentation.patch
crc32-simplify-unit-test-code.patch
crc32-miscellaneous-cleanups.patch
crc32-fix-mixing-of-endian-specific-types.patch
crc32-make-crc__bits-definition-correspond-to-actual-bit-counts.patch
crc32-add-slice-by-8-algorithm-to-existing-code.patch
crc32-optimize-loop-counter-for-x86.patch
crc32-add-note-about-this-patchset-to-crc32c.patch
crc32-bolt-on-crc32c.patch
crypto-crc32c-should-use-library-implementation.patch
crc32-add-self-test-code-for-crc32c.patch
crc32-select-an-algorithm-via-kconfig.patch
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