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From: kbuild test robot <lkp@intel.com>
To: Sven Schmidt <4sschmid@informatik.uni-hamburg.de>
Cc: kbuild-all@01.org, akpm@linux-foundation.org,
	bongkyu.kim@lge.com, rsalvaterra@gmail.com,
	sergey.senozhatsky@gmail.com, gregkh@linuxfoundation.org,
	linux-kernel@vger.kernel.org, herbert@gondor.apana.org.au,
	davem@davemloft.net, linux-crypto@vger.kernel.org,
	anton@enomsg.org, ccross@android.com, keescook@chromium.org,
	tony.luck@intel.com, phillip@squashfs.org.uk,
	Sven Schmidt <4sschmid@informatik.uni-hamburg.de>
Subject: Re: [PATCH 1/4] lib: Update LZ4 compressor module
Date: Sun, 22 Jan 2017 01:38:20 +0800	[thread overview]
Message-ID: <201701220138.lulmlSvI%fengguang.wu@intel.com> (raw)
In-Reply-To: <1485011351-7463-2-git-send-email-4sschmid@informatik.uni-hamburg.de>

Hi Sven,

[auto build test WARNING on linus/master]
[also build test WARNING on v4.10-rc4 next-20170120]
[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/Sven-Schmidt/Update-LZ4-compressor-module/20170121-231418
reproduce:
        # apt-get install sparse
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

   include/linux/compiler.h:253:8: sparse: attribute 'no_sanitize_address': unknown attribute
>> lib/lz4/lz4_decompress.c:521:21: sparse: incompatible types for operation (>)
   lib/lz4/lz4_decompress.c:521:21:    left side has type unsigned long [usertype] *src_len
   lib/lz4/lz4_decompress.c:521:21:    right side has type int

vim +521 lib/lz4/lz4_decompress.c

   505				return -1;
   506	}
   507	EXPORT_SYMBOL(lz4_decompress_unknownoutputsize);
   508	
   509	int lz4_decompress(const unsigned char *src, size_t *src_len,
   510		unsigned char *dest, size_t actual_dest_len) {
   511		*src_len = LZ4_decompress_fast(src, dest, (int)actual_dest_len);
   512	
   513		/*
   514		 * Prior lz4_decompress will return
   515		 * 0 for success and a negative result for error
   516		 * new LZ4_decompress_fast returns
   517		 * - the length of data read on success
   518		 * - and also a negative result on error
   519		 * meaning when result > 0, we just return 0 here
   520		 */
 > 521		if (src_len > 0)
   522			return 0;
   523		else
   524			return -1;
   525	}
   526	EXPORT_SYMBOL(lz4_decompress);
   527	
   528	MODULE_LICENSE("Dual BSD/GPL");
   529	MODULE_DESCRIPTION("LZ4 decompressor");

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

  parent reply	other threads:[~2017-01-21 17:38 UTC|newest]

Thread overview: 84+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1482259992-16680-1-git-send-email-4sschmid@informatik.uni-hamburg.de>
     [not found] ` <1482259992-16680-2-git-send-email-4sschmid@informatik.uni-hamburg.de>
2016-12-22 13:25   ` [PATCH 1/3] crypto: Change lz4 modules to work with new lz4 compressor module version Sergey Senozhatsky
2017-01-07 16:55 ` [PATCH v2 0/4] Update LZ4 compressor module Sven Schmidt
2017-01-07 16:55   ` [PATCH v2 1/4] lib: Update LZ4 compressor module based on LZ4 v1.7.2 Sven Schmidt
2017-01-08 11:22     ` Greg KH
2017-01-10  9:32       ` Sven Schmidt
2017-01-10  9:59         ` Greg KH
2017-01-08 11:25     ` Greg KH
2017-01-08 11:33       ` Rui Salvaterra
2017-01-10  9:21       ` Sven Schmidt
2017-01-10 10:00         ` Greg KH
2017-01-10 10:50           ` Willy Tarreau
2017-01-07 16:55   ` [PATCH v2 2/4] lib/decompress_unlz4: Change module to work with new LZ4 module version Sven Schmidt
2017-01-08 11:23     ` Greg KH
2017-01-07 16:55   ` [PATCH v2 3/4] crypto: Change LZ4 modules " Sven Schmidt
2017-01-07 16:55   ` [PATCH v2 4/4] fs/pstore: fs/squashfs: Change usage of LZ4 to comply " Sven Schmidt
2017-01-07 21:33     ` Kees Cook
2017-01-10  9:45       ` Sven Schmidt
2017-01-21 15:09 ` [PATCH v3 0/4] Update LZ4 compressor module Sven Schmidt
2017-01-21 15:09   ` [PATCH 1/4] lib: " Sven Schmidt
2017-01-21 15:56     ` kbuild test robot
2017-01-21 16:16     ` kbuild test robot
2017-01-21 17:38     ` kbuild test robot [this message]
2017-01-22 11:05     ` Greg KH
2017-01-21 15:09   ` [PATCH 2/4] lib/decompress_unlz4: Change module to work with new LZ4 module version Sven Schmidt
2017-01-21 15:09   ` [PATCH 3/4] crypto: Change LZ4 modules " Sven Schmidt
2017-01-21 15:09   ` [PATCH 4/4] fs/pstore: fs/squashfs: Change usage of LZ4 to work with new LZ4 version Sven Schmidt
2017-01-22 19:35 ` [PATCH v4 0/4] Update LZ4 compressor module Sven Schmidt
2017-01-22 19:35   ` [PATCH v4 1/4] lib: " Sven Schmidt
2017-01-24  0:23     ` Andrew Morton
2017-01-24 16:48       ` Sven Schmidt
2017-01-22 19:35   ` [PATCH v4 2/4] lib/decompress_unlz4: Change module to work with new LZ4 module version Sven Schmidt
2017-01-22 19:35   ` [PATCH v4 3/4] crypto: Change LZ4 modules " Sven Schmidt
2017-01-22 19:35   ` [PATCH v4 4/4] fs/pstore: fs/squashfs: Change usage of LZ4 to work with new LZ4 version Sven Schmidt
2017-01-26  7:57 ` [PATCH v5 0/5] Update LZ4 compressor module Sven Schmidt
2017-01-26  7:57   ` [PATCH v5 1/5] lib: " Sven Schmidt
2017-01-26  7:57   ` [PATCH v5 2/5] lib/decompress_unlz4: Change module to work with new LZ4 module version Sven Schmidt
2017-01-26  7:57   ` [PATCH v5 3/5] crypto: Change LZ4 modules " Sven Schmidt
2017-01-26  7:57   ` [PATCH v5 4/5] fs/pstore: fs/squashfs: Change usage of LZ4 to work with new LZ4 version Sven Schmidt
2017-01-26  7:57   ` [PATCH v5 5/5] lib/lz4: Remove back-compat wrappers Sven Schmidt
2017-01-26  9:19   ` [PATCH v5 0/5] Update LZ4 compressor module Eric Biggers
2017-01-26 14:15     ` Sven Schmidt
2017-01-27 22:01 ` [PATCH v6 " Sven Schmidt
2017-01-27 22:02   ` [PATCH v6 1/5] lib: " Sven Schmidt
2017-01-31 22:27     ` Jonathan Corbet
2017-02-01 20:18       ` Sven Schmidt
2017-01-27 22:02   ` [PATCH v6 2/5] lib/decompress_unlz4: Change module to work with new LZ4 module version Sven Schmidt
2017-01-27 22:02   ` [PATCH v6 3/5] crypto: Change LZ4 modules " Sven Schmidt
2017-01-27 22:02   ` [PATCH v6 4/5] fs/pstore: fs/squashfs: Change usage of LZ4 to work with new LZ4 version Sven Schmidt
2017-01-27 22:02   ` [PATCH v6 5/5] lib/lz4: Remove back-compat wrappers Sven Schmidt
2017-02-05 19:09 ` [PATCH v7 0/5] Update LZ4 compressor module Sven Schmidt
2017-02-05 19:09   ` [PATCH v7 1/5] lib: " Sven Schmidt
2017-02-05 19:09   ` [PATCH v7 2/5] lib/decompress_unlz4: Change module to work with new LZ4 module version Sven Schmidt
2017-02-05 19:09   ` [PATCH v7 3/5] crypto: Change LZ4 modules " Sven Schmidt
2017-02-05 19:09   ` [PATCH v7 4/5] fs/pstore: fs/squashfs: Change usage of LZ4 to work with new LZ4 version Sven Schmidt
2017-02-05 19:09   ` [PATCH v7 5/5] lib/lz4: Remove back-compat wrappers Sven Schmidt
2017-02-08 23:31   ` [PATCH v7 0/5] Update LZ4 compressor module Minchan Kim
2017-02-09  0:24     ` Eric Biggers
2017-02-09  5:24       ` Eric Biggers
2017-02-09 11:05         ` Sven Schmidt
2017-02-09 18:20           ` Eric Biggers
2017-02-10  0:14         ` Minchan Kim
2017-02-09 11:02       ` Sven Schmidt
2017-02-09 18:29         ` Eric Biggers
2017-02-10  3:57           ` David Miller
2017-02-09 10:56     ` Sven Schmidt
2017-02-10  0:13       ` Minchan Kim
2017-02-12 11:16         ` Sven Schmidt
2017-02-12 11:16           ` [PATCH] lz4: fix performance regressions Sven Schmidt
2017-02-12 13:05             ` Willy Tarreau
2017-02-12 15:20               ` Sven Schmidt
2017-02-12 21:41                 ` Willy Tarreau
2017-02-13 11:53                   ` Sven Schmidt
2017-02-13 13:37                     ` Willy Tarreau
2017-02-12 23:38             ` Eric Biggers
2017-02-14 10:33               ` Sven Schmidt
2017-02-13  0:03           ` [PATCH v7 0/5] Update LZ4 compressor module Minchan Kim
2017-02-13 12:08             ` Sven Schmidt
2017-02-15  7:29               ` Minchan Kim
2017-02-15 18:16 ` [PATCH v8 " Sven Schmidt
2017-02-15 18:16   ` [PATCH v8 1/5] lib: " Sven Schmidt
2017-02-15 18:16   ` [PATCH v8 2/5] lib/decompress_unlz4: Change module to work with new LZ4 module version Sven Schmidt
2017-02-15 18:16   ` [PATCH v8 3/5] crypto: Change LZ4 modules " Sven Schmidt
2017-02-15 18:16   ` [PATCH v8 4/5] fs/pstore: fs/squashfs: Change usage of LZ4 to work with new LZ4 version Sven Schmidt
2017-02-15 18:16   ` [PATCH v8 5/5] lib/lz4: Remove back-compat wrappers Sven Schmidt

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