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SubjectRe: [PATCH 1/1] lz4: Implement lz4 with dynamic offset length.
Hi Maninder,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.16-rc6]
[cannot apply to next-20180322]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Maninder-Singh/cover-letter-lz4-Implement-lz4-with-dynamic-offset-length/20180323-064137
config: i386-randconfig-x073-201811 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

All errors (new ones prefixed by >>):

fs/pstore/platform.c: In function 'decompress_lz4':
>> fs/pstore/platform.c:357:8: error: too few arguments to function 'LZ4_decompress_safe'
ret = LZ4_decompress_safe(in, out, inlen, outlen);
^~~~~~~~~~~~~~~~~~~
In file included from fs/pstore/platform.c:38:0:
include/linux/lz4.h:301:5: note: declared here
int LZ4_decompress_safe(const char *source, char *dest, int compressedSize,
^~~~~~~~~~~~~~~~~~~

vim +/LZ4_decompress_safe +357 fs/pstore/platform.c

8cfc8ddc Geliang Tang 2016-02-18 352
8cfc8ddc Geliang Tang 2016-02-18 353 static int decompress_lz4(void *in, void *out, size_t inlen, size_t outlen)
8cfc8ddc Geliang Tang 2016-02-18 354 {
8cfc8ddc Geliang Tang 2016-02-18 355 int ret;
8cfc8ddc Geliang Tang 2016-02-18 356
d21b5ff1 Sven Schmidt 2017-02-24 @357 ret = LZ4_decompress_safe(in, out, inlen, outlen);
d21b5ff1 Sven Schmidt 2017-02-24 358 if (ret < 0) {
d21b5ff1 Sven Schmidt 2017-02-24 359 /*
d21b5ff1 Sven Schmidt 2017-02-24 360 * LZ4_decompress_safe will return an error code
d21b5ff1 Sven Schmidt 2017-02-24 361 * (< 0) if decompression failed
d21b5ff1 Sven Schmidt 2017-02-24 362 */
d21b5ff1 Sven Schmidt 2017-02-24 363 pr_err("LZ4_decompress_safe error, ret = %d!\n", ret);
8cfc8ddc Geliang Tang 2016-02-18 364 return -EIO;
8cfc8ddc Geliang Tang 2016-02-18 365 }
8cfc8ddc Geliang Tang 2016-02-18 366
d21b5ff1 Sven Schmidt 2017-02-24 367 return ret;
8cfc8ddc Geliang Tang 2016-02-18 368 }
8cfc8ddc Geliang Tang 2016-02-18 369

:::::: The code at line 357 was first introduced by commit
:::::: d21b5ff12df45a65bb220c7e8103a5f0f5609377 fs/pstore: fs/squashfs: change usage of LZ4 to work with new LZ4 version

:::::: TO: Sven Schmidt <4sschmid@informatik.uni-hamburg.de>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

---
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https://lists.01.org/pipermail/kbuild-all Intel Corporation
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