From: Eunbong Song <eunb.song@samsung.com>
To: gregkh@linuxfoundation.org
Cc: chanho.min@lge.com, linux-kernel@vger.kernel.org
Subject: [PATCH] lib : lz4 using put_unaligned_le16 instead of put_unaligned
Date: Tue, 22 Jul 2014 02:03:23 +0000 (GMT) [thread overview]
Message-ID: <6506286.203381405994602250.JavaMail.weblogic@epml18> (raw)
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In case of mips bigendian machine, put_unaligned writes bigendian bytes order.
This is defined in arch/mips/include/asm/unaligned.h. So it's right use put_unaligned_le16 function instead of put_unaligned.
This patch also fixes problem fail to mount zram ext4 partition with "zram: Decompression failed! err=-1, page=0" in mips bigendian machine.
Signed-off-by: Eunbong Song <eunb.song@samsung.com>
---
lib/lz4/lz4defs.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/lib/lz4/lz4defs.h b/lib/lz4/lz4defs.h
index abcecdc..dc7ef14 100644
--- a/lib/lz4/lz4defs.h
+++ b/lib/lz4/lz4defs.h
@@ -53,7 +53,7 @@ typedef struct _U64_S { u64 v; } U64_S;
#define LZ4_WRITE_LITTLEENDIAN_16(p, v) \
do { \
- put_unaligned(v, (u16 *)(p)); \
+ put_unaligned_le16(v, (u16 *)(p)); \
p += 2; \
} while (0)
#endif
--
1.7.0.1
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next reply other threads:[~2014-07-22 2:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-22 2:03 Eunbong Song [this message]
2014-07-22 2:11 ` [PATCH] lib : lz4 using put_unaligned_le16 instead of put_unaligned Greg KH
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