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lz4: Fix compile warning comparison of distinct pointer types

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In file included from include/linux/bitops.h:22,
                 from include/log.h:15,
                 from include/linux/printk.h:4,
                 from include/common.h:20,
                 from lib/lz4_wrapper.c:6:
lib/lz4_wrapper.c: In function ‘ulz4fn’:
include/linux/kernel.h:184:17: warning: comparison of distinct pointer types lacks a cast
  (void) (&_min1 == &_min2);  \
                 ^~
lib/lz4_wrapper.c:104:18: note: in expansion of macro ‘min’
    size_t size = min((ptrdiff_t)block_size, end - out);
                  ^~~

Signed-off-by: Pali Rohár <pali@kernel.org>
This commit is contained in:
Pali Rohár 2022-07-27 17:24:23 +02:00 committed by Tom Rini
parent 1bacff9ef6
commit 3ff4675d73
1 changed files with 1 additions and 1 deletions
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2
lib/lz4_wrapper.c
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@ -80,7 +80,7 @@ int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn)
} }
if (block_header & LZ4F_BLOCKUNCOMPRESSED_FLAG) { if (block_header & LZ4F_BLOCKUNCOMPRESSED_FLAG) {
size_t size = min((ptrdiff_t)block_size, end - out); size_t size = min((ptrdiff_t)block_size, (ptrdiff_t)(end - out));
memcpy(out, in, size); memcpy(out, in, size);
out += size; out += size;
if (size < block_size) { if (size < block_size) {