The patch titled
Subject: lib/decompress_unlz4: change module to work with new LZ4 module version
has been added to the -mm tree. Its filename is
lib-decompress_unlz4-change-module-to-work-with-new-lz4-module-version.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/lib-decompress_unlz4-change-module-to-work-with-new-lz4-module-version.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/lib-decompress_unlz4-change-module-to-work-with-new-lz4-module-version.patch
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------------------------------------------------------
From: Sven Schmidt <4sschmid@xxxxxxxxxxxxxxxxxxxxxxxxx>
Subject: lib/decompress_unlz4: change module to work with new LZ4 module version
This patch updates the unlz4 wrapper to work with the updated LZ4 kernel
module version.
Link: http://lkml.kernel.org/r/1485113717-29261-3-git-send-email-4sschmid@xxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Sven Schmidt <4sschmid@xxxxxxxxxxxxxxxxxxxxxxxxx>
Cc: Bongkyu Kim <bongkyu.kim@xxxxxxx>
Cc: Rui Salvaterra <rsalvaterra@xxxxxxxxx>
Cc: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Anton Vorontsov <anton@xxxxxxxxxx>
Cc: Colin Cross <ccross@xxxxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: "Tony Luck" <tony.luck@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/decompress_unlz4.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff -puN lib/decompress_unlz4.c~lib-decompress_unlz4-change-module-to-work-with-new-lz4-module-version lib/decompress_unlz4.c
--- a/lib/decompress_unlz4.c~lib-decompress_unlz4-change-module-to-work-with-new-lz4-module-version
+++ a/lib/decompress_unlz4.c
@@ -72,7 +72,7 @@ STATIC inline int INIT unlz4(u8 *input,
error("NULL input pointer and missing fill function");
goto exit_1;
} else {
- inp = large_malloc(lz4_compressbound(uncomp_chunksize));
+ inp = large_malloc(LZ4_compressBound(uncomp_chunksize));
if (!inp) {
error("Could not allocate input buffer");
goto exit_1;
@@ -136,7 +136,7 @@ STATIC inline int INIT unlz4(u8 *input,
inp += 4;
size -= 4;
} else {
- if (chunksize > lz4_compressbound(uncomp_chunksize)) {
+ if (chunksize > LZ4_compressBound(uncomp_chunksize)) {
error("chunk length is longer than allocated");
goto exit_2;
}
@@ -152,11 +152,14 @@ STATIC inline int INIT unlz4(u8 *input,
out_len -= dest_len;
} else
dest_len = out_len;
- ret = lz4_decompress(inp, &chunksize, outp, dest_len);
+
+ ret = LZ4_decompress_fast(inp, outp, dest_len);
+ chunksize = ret;
#else
dest_len = uncomp_chunksize;
- ret = lz4_decompress_unknownoutputsize(inp, chunksize, outp,
- &dest_len);
+
+ ret = LZ4_decompress_safe(inp, outp, chunksize, dest_len);
+ dest_len = ret;
#endif
if (ret < 0) {
error("Decoding failed");
_
Patches currently in -mm which might be from 4sschmid@xxxxxxxxxxxxxxxxxxxxxxxxx are
lib-update-lz4-compressor-module.patch
lib-decompress_unlz4-change-module-to-work-with-new-lz4-module-version.patch
crypto-change-lz4-modules-to-work-with-new-lz4-module-version.patch
fs-pstore-fs-squashfs-change-usage-of-lz4-to-work-with-new-lz4-version.patch
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