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authorThomas Gleixner <tglx@linutronix.de>2015-01-12 10:51:13 +0100
committerThomas Gleixner <tglx@linutronix.de>2015-01-12 10:51:13 +0100
commit2f5eaf66e580f64032b365a00157b6b58c266b37 (patch)
tree7852017c864f0eb3833782e2a017952bd8531458 /include/linux/socket.h
parentc291ee622165cb2c8d4e7af63fffd499354a23be (diff)
parent91d1179212161f220938198b742c328ad38fd0a3 (diff)
Merge tag 'irqchip-urgent-3.19' of git://git.infradead.org/users/jcooper/linux into irq/urgent
irqchip urgent fixes for v3.19 from Jason Cooper - mtk-sysirq: Fix error handling - hip04: Fix cpu map for 16bit value - gic-v3-its: Clear a warning regarding decimal constants - omap-intc: Fix legacy DMA regression - atmel-aic-common: Retain priority when changing type
Diffstat (limited to 'include/linux/socket.h')
-rw-r--r--include/linux/socket.h24
1 files changed, 18 insertions, 6 deletions
diff --git a/include/linux/socket.h b/include/linux/socket.h
index bb9b8364007..6e49a14365d 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -47,16 +47,25 @@ struct linger {
struct msghdr {
void *msg_name; /* ptr to socket address structure */
int msg_namelen; /* size of socket address structure */
- struct iovec *msg_iov; /* scatter/gather array */
- __kernel_size_t msg_iovlen; /* # elements in msg_iov */
+ struct iov_iter msg_iter; /* data */
void *msg_control; /* ancillary data */
__kernel_size_t msg_controllen; /* ancillary data buffer length */
unsigned int msg_flags; /* flags on received message */
};
+
+struct user_msghdr {
+ void __user *msg_name; /* ptr to socket address structure */
+ int msg_namelen; /* size of socket address structure */
+ struct iovec __user *msg_iov; /* scatter/gather array */
+ __kernel_size_t msg_iovlen; /* # elements in msg_iov */
+ void __user *msg_control; /* ancillary data */
+ __kernel_size_t msg_controllen; /* ancillary data buffer length */
+ unsigned int msg_flags; /* flags on received message */
+};
/* For recvmmsg/sendmmsg */
struct mmsghdr {
- struct msghdr msg_hdr;
+ struct user_msghdr msg_hdr;
unsigned int msg_len;
};
@@ -94,6 +103,10 @@ struct cmsghdr {
(cmsg)->cmsg_len <= (unsigned long) \
((mhdr)->msg_controllen - \
((char *)(cmsg) - (char *)(mhdr)->msg_control)))
+#define for_each_cmsghdr(cmsg, msg) \
+ for (cmsg = CMSG_FIRSTHDR(msg); \
+ cmsg; \
+ cmsg = CMSG_NXTHDR(msg, cmsg))
/*
* Get the next cmsg header
@@ -312,15 +325,14 @@ extern int csum_partial_copy_fromiovecend(unsigned char *kdata,
extern unsigned long iov_pages(const struct iovec *iov, int offset,
unsigned long nr_segs);
-extern int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr_storage *address, int mode);
extern int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr_storage *kaddr);
extern int put_cmsg(struct msghdr*, int level, int type, int len, void *data);
struct timespec;
/* The __sys_...msg variants allow MSG_CMSG_COMPAT */
-extern long __sys_recvmsg(int fd, struct msghdr __user *msg, unsigned flags);
-extern long __sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags);
+extern long __sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
+extern long __sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
extern int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
unsigned int flags, struct timespec *timeout);
extern int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg,