mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-25 05:04:09 +08:00
sh: Shut up csum_ipv6_magic() warnings.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
parent
b9b382dabb
commit
b482ad5dae
@ -34,25 +34,26 @@ asmlinkage __wsum csum_partial(const void *buff, int len, __wsum sum);
|
||||
*/
|
||||
|
||||
asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst,
|
||||
int len, __wsum sum, int *src_err_ptr, int *dst_err_ptr);
|
||||
int len, __wsum sum,
|
||||
int *src_err_ptr, int *dst_err_ptr);
|
||||
|
||||
/*
|
||||
* Note: when you get a NULL pointer exception here this means someone
|
||||
* passed in an incorrect kernel address to one of these functions.
|
||||
*
|
||||
* If you use these functions directly please don't forget the
|
||||
* passed in an incorrect kernel address to one of these functions.
|
||||
*
|
||||
* If you use these functions directly please don't forget the
|
||||
* access_ok().
|
||||
*/
|
||||
static __inline__
|
||||
static inline
|
||||
__wsum csum_partial_copy_nocheck(const void *src, void *dst,
|
||||
int len, __wsum sum)
|
||||
int len, __wsum sum)
|
||||
{
|
||||
return csum_partial_copy_generic ( src, dst, len, sum, NULL, NULL);
|
||||
return csum_partial_copy_generic(src, dst, len, sum, NULL, NULL);
|
||||
}
|
||||
|
||||
static __inline__
|
||||
static inline
|
||||
__wsum csum_partial_copy_from_user(const void __user *src, void *dst,
|
||||
int len, __wsum sum, int *err_ptr)
|
||||
int len, __wsum sum, int *err_ptr)
|
||||
{
|
||||
return csum_partial_copy_generic((__force const void *)src, dst,
|
||||
len, sum, err_ptr, NULL);
|
||||
@ -62,7 +63,7 @@ __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
|
||||
* Fold a partial checksum
|
||||
*/
|
||||
|
||||
static __inline__ __sum16 csum_fold(__wsum sum)
|
||||
static inline __sum16 csum_fold(__wsum sum)
|
||||
{
|
||||
unsigned int __dummy;
|
||||
__asm__("swap.w %0, %1\n\t"
|
||||
@ -85,7 +86,7 @@ static __inline__ __sum16 csum_fold(__wsum sum)
|
||||
* i386 version by Jorge Cwik <jorge@laser.satlink.net>, adapted
|
||||
* for linux by * Arnt Gulbrandsen.
|
||||
*/
|
||||
static __inline__ __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
|
||||
static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
|
||||
{
|
||||
unsigned int sum, __dummy0, __dummy1;
|
||||
|
||||
@ -113,10 +114,10 @@ static __inline__ __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
|
||||
return csum_fold(sum);
|
||||
}
|
||||
|
||||
static __inline__ __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
|
||||
unsigned short len,
|
||||
unsigned short proto,
|
||||
__wsum sum)
|
||||
static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
|
||||
unsigned short len,
|
||||
unsigned short proto,
|
||||
__wsum sum)
|
||||
{
|
||||
#ifdef __LITTLE_ENDIAN__
|
||||
unsigned long len_proto = (proto + len) << 8;
|
||||
@ -132,6 +133,7 @@ static __inline__ __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
|
||||
: "=r" (sum), "=r" (len_proto)
|
||||
: "r" (daddr), "r" (saddr), "1" (len_proto), "0" (sum)
|
||||
: "t");
|
||||
|
||||
return sum;
|
||||
}
|
||||
|
||||
@ -139,30 +141,28 @@ static __inline__ __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
|
||||
* computes the checksum of the TCP/UDP pseudo-header
|
||||
* returns a 16-bit checksum, already complemented
|
||||
*/
|
||||
static __inline__ __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
|
||||
unsigned short len,
|
||||
unsigned short proto,
|
||||
__wsum sum)
|
||||
static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
|
||||
unsigned short len,
|
||||
unsigned short proto,
|
||||
__wsum sum)
|
||||
{
|
||||
return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));
|
||||
return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum));
|
||||
}
|
||||
|
||||
/*
|
||||
* this routine is used for miscellaneous IP-like checksums, mainly
|
||||
* in icmp.c
|
||||
*/
|
||||
|
||||
static __inline__ __sum16 ip_compute_csum(const void *buff, int len)
|
||||
static inline __sum16 ip_compute_csum(const void *buff, int len)
|
||||
{
|
||||
return csum_fold (csum_partial(buff, len, 0));
|
||||
return csum_fold(csum_partial(buff, len, 0));
|
||||
}
|
||||
|
||||
#define _HAVE_ARCH_IPV6_CSUM
|
||||
#ifdef CONFIG_IPV6
|
||||
static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
|
||||
const struct in6_addr *daddr,
|
||||
__u32 len, unsigned short proto,
|
||||
__wsum sum)
|
||||
static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
|
||||
const struct in6_addr *daddr,
|
||||
__u32 len, unsigned short proto,
|
||||
__wsum sum)
|
||||
{
|
||||
unsigned int __dummy;
|
||||
__asm__("clrt\n\t"
|
||||
@ -187,22 +187,21 @@ static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
|
||||
"movt %1\n\t"
|
||||
"add %1, %0\n"
|
||||
: "=r" (sum), "=&r" (__dummy)
|
||||
: "r" (saddr), "r" (daddr),
|
||||
: "r" (saddr), "r" (daddr),
|
||||
"r" (htonl(len)), "r" (htonl(proto)), "0" (sum)
|
||||
: "t");
|
||||
|
||||
return csum_fold(sum);
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
/*
|
||||
* Copy and checksum to user
|
||||
*/
|
||||
#define HAVE_CSUM_COPY_USER
|
||||
static __inline__ __wsum csum_and_copy_to_user (const void *src,
|
||||
void __user *dst,
|
||||
int len, __wsum sum,
|
||||
int *err_ptr)
|
||||
static inline __wsum csum_and_copy_to_user(const void *src,
|
||||
void __user *dst,
|
||||
int len, __wsum sum,
|
||||
int *err_ptr)
|
||||
{
|
||||
if (access_ok(VERIFY_WRITE, dst, len))
|
||||
return csum_partial_copy_generic((__force const void *)src,
|
||||
|
Loading…
Reference in New Issue
Block a user