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net: fixup address-space warnings in compat_mc_{get,set}sockopt()

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Add __user attributes in some of the casts in this function to avoid
the following sparse warnings:

net/compat.c:592:57: warning: cast removes address space of expression
net/compat.c:592:57: warning: incorrect type in initializer (different address spaces)
net/compat.c:592:57:    expected struct compat_group_req [noderef] <asn:1>*gr32
net/compat.c:592:57:    got void *<noident>
net/compat.c:613:65: warning: cast removes address space of expression
net/compat.c:613:65: warning: incorrect type in initializer (different address spaces)
net/compat.c:613:65:    expected struct compat_group_source_req [noderef] <asn:1>*gsr32
net/compat.c:613:65:    got void *<noident>
net/compat.c:634:60: warning: cast removes address space of expression
net/compat.c:634:60: warning: incorrect type in initializer (different address spaces)
net/compat.c:634:60:    expected struct compat_group_filter [noderef] <asn:1>*gf32
net/compat.c:634:60:    got void *<noident>
net/compat.c:672:52: warning: cast removes address space of expression
net/compat.c:672:52: warning: incorrect type in initializer (different address spaces)
net/compat.c:672:52:    expected struct compat_group_filter [noderef] <asn:1>*gf32
net/compat.c:672:52:    got void *<noident>

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Dooks 2019-03-01 18:39:44 +00:00 committed by David S. Miller
parent d6af21a4fb
commit 46d841105d
1 changed files with 4 additions and 4 deletions
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8
net/compat.c
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@ -525,7 +525,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname,
case MCAST_JOIN_GROUP:
case MCAST_LEAVE_GROUP:
{
struct compat_group_req __user *gr32 = (void *)optval;
struct compat_group_req __user *gr32 = (void __user *)optval;
struct group_req __user *kgr =
compat_alloc_user_space(sizeof(struct group_req));
u32 interface;
@ -546,7 +546,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname,
case MCAST_BLOCK_SOURCE:
case MCAST_UNBLOCK_SOURCE:
{
struct compat_group_source_req __user *gsr32 = (void *)optval;
struct compat_group_source_req __user *gsr32 = (void __user *)optval;
struct group_source_req __user *kgsr = compat_alloc_user_space(
sizeof(struct group_source_req));
u32 interface;
@ -567,7 +567,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname,
}
case MCAST_MSFILTER:
{
struct compat_group_filter __user *gf32 = (void *)optval;
struct compat_group_filter __user *gf32 = (void __user *)optval;
struct group_filter __user *kgf;
u32 interface, fmode, numsrc;
@ -605,7 +605,7 @@ int compat_mc_getsockopt(struct sock *sock, int level, int optname,
char __user *optval, int __user *optlen,
int (*getsockopt)(struct sock *, int, int, char __user *, int __user *))
{
struct compat_group_filter __user *gf32 = (void *)optval;
struct compat_group_filter __user *gf32 = (void __user *)optval;
struct group_filter __user *kgf;
int __user *koptlen;
u32 interface, fmode, numsrc;