[PATCH 1/2] byteorder: fix -Wsign-compare warnings

[PATCH 1/2] byteorder: fix -Wsign-compare warnings

[Jeffle Xu]

warning: comparison of integers of different signs: 'int' and 'size_t'
(aka 'unsigned long') [-Wsign-compare]
           for (i = 0; i < len; i++)

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com>
---
 include/linux/byteorder/generic.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/byteorder/generic.h b/include/linux/byteorder/generic.h
index 4b13e0a3e15b..c9a4c96c9943 100644
--- a/include/linux/byteorder/generic.h
+++ b/include/linux/byteorder/generic.h
@@ -190,7 +190,7 @@ static inline void be64_add_cpu(__be64 *var, u64 val)
 
 static inline void cpu_to_be32_array(__be32 *dst, const u32 *src, size_t len)
 {
-	int i;
+	size_t i;
 
 	for (i = 0; i < len; i++)
 		dst[i] = cpu_to_be32(src[i]);
@@ -198,7 +198,7 @@ static inline void cpu_to_be32_array(__be32 *dst, const u32 *src, size_t len)
 
 static inline void be32_to_cpu_array(u32 *dst, const __be32 *src, size_t len)
 {
-	int i;
+	size_t i;
 
 	for (i = 0; i < len; i++)
 		dst[i] = be32_to_cpu(src[i]);
-- 
2.27.0

[PATCH 2/2] thread_info: fix -Wsign-compare warnings

[Jeffle Xu]

warning: comparison of integers of different signs: 'int' and 'size_t'
(aka 'unsigned long') [-Wsign-compare]
           if (unlikely(sz >= 0 && sz < bytes)) {

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com>
---
 include/linux/thread_info.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h
index c8a974cead73..11b4b36116fa 100644
--- a/include/linux/thread_info.h
+++ b/include/linux/thread_info.h
@@ -179,15 +179,15 @@ __bad_copy_from(void);
 extern void __compiletime_error("copy destination size is too small")
 __bad_copy_to(void);
 
-static inline void copy_overflow(int size, unsigned long count)
+static inline void copy_overflow(unsigned long size, unsigned long count)
 {
-	WARN(1, "Buffer overflow detected (%d < %lu)!\n", size, count);
+	WARN(1, "Buffer overflow detected (%lu < %lu)!\n", size, count);
 }
 
 static __always_inline __must_check bool
 check_copy_size(const void *addr, size_t bytes, bool is_source)
 {
-	int sz = __compiletime_object_size(addr);
+	size_t sz = __compiletime_object_size(addr);
 	if (unlikely(sz >= 0 && sz < bytes)) {
 		if (!__builtin_constant_p(bytes))
 			copy_overflow(sz, bytes);
-- 
2.27.0