From: Heiko Carstens Date: Wed, 9 Dec 2009 20:58:16 +0000 (+0000) Subject: net: fix compat_sys_recvmmsg parameter type X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=60c2ffd3d2cf12008747d920ae118df119006003;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git net: fix compat_sys_recvmmsg parameter type compat_sys_recvmmsg has a compat_timespec parameter and not a timespec parameter. This way we also get rid of an odd cast. Cc: Arnaldo Carvalho de Melo Signed-off-by: Heiko Carstens Acked-by: Arnaldo Carvalho de Melo Signed-off-by: David S. Miller --- diff --git a/include/net/compat.h b/include/net/compat.h index 3c7d4e38fa1d..28d5428ec6a2 100644 --- a/include/net/compat.h +++ b/include/net/compat.h @@ -46,7 +46,7 @@ extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsi extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned); extern asmlinkage long compat_sys_recvmmsg(int, struct compat_mmsghdr __user *, unsigned, unsigned, - struct timespec __user *); + struct compat_timespec __user *); extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *); extern int put_cmsg_compat(struct msghdr*, int, int, int, void *); diff --git a/net/compat.c b/net/compat.c index e1a56ade803b..c4d9131a5872 100644 --- a/net/compat.c +++ b/net/compat.c @@ -754,26 +754,24 @@ asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len, asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, unsigned vlen, unsigned int flags, - struct timespec __user *timeout) + struct compat_timespec __user *timeout) { int datagrams; struct timespec ktspec; - struct compat_timespec __user *utspec; if (timeout == NULL) return __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen, flags | MSG_CMSG_COMPAT, NULL); - utspec = (struct compat_timespec __user *)timeout; - if (get_user(ktspec.tv_sec, &utspec->tv_sec) || - get_user(ktspec.tv_nsec, &utspec->tv_nsec)) + if (get_user(ktspec.tv_sec, &timeout->tv_sec) || + get_user(ktspec.tv_nsec, &timeout->tv_nsec)) return -EFAULT; datagrams = __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen, flags | MSG_CMSG_COMPAT, &ktspec); if (datagrams > 0 && - (put_user(ktspec.tv_sec, &utspec->tv_sec) || - put_user(ktspec.tv_nsec, &utspec->tv_nsec))) + (put_user(ktspec.tv_sec, &timeout->tv_sec) || + put_user(ktspec.tv_nsec, &timeout->tv_nsec))) datagrams = -EFAULT; return datagrams;