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| author | Al Viro <viro@zeniv.linux.org.uk> | 2015-03-21 19:29:06 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-04-09 00:02:26 -0400 |
| commit | da18428498fb24438a23d982259461fe22bc1f46 (patch) | |
| tree | 37efb94c71802ac8aa9ebf4c443b63aefc809479 /net/compat.c | |
| parent | 602bd0e90e14c0b50246b361290dbbbe551ada98 (diff) | |
| download | lwn-da18428498fb24438a23d982259461fe22bc1f46.tar.gz lwn-da18428498fb24438a23d982259461fe22bc1f46.zip | |
net: switch importing msghdr from userland to {compat_,}import_iovec()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'net/compat.c')
| -rw-r--r-- | net/compat.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/net/compat.c b/net/compat.c index c4b6b0f43d5d..5cfd26a0006f 100644 --- a/net/compat.c +++ b/net/compat.c @@ -31,10 +31,10 @@ #include <asm/uaccess.h> #include <net/compat.h> -ssize_t get_compat_msghdr(struct msghdr *kmsg, - struct compat_msghdr __user *umsg, - struct sockaddr __user **save_addr, - struct iovec **iov) +int get_compat_msghdr(struct msghdr *kmsg, + struct compat_msghdr __user *umsg, + struct sockaddr __user **save_addr, + struct iovec **iov) { compat_uptr_t uaddr, uiov, tmp3; compat_size_t nr_segs; @@ -81,13 +81,9 @@ ssize_t get_compat_msghdr(struct msghdr *kmsg, kmsg->msg_iocb = NULL; - err = compat_rw_copy_check_uvector(save_addr ? READ : WRITE, - compat_ptr(uiov), nr_segs, - UIO_FASTIOV, *iov, iov); - if (err >= 0) - iov_iter_init(&kmsg->msg_iter, save_addr ? READ : WRITE, - *iov, nr_segs, err); - return err; + return compat_import_iovec(save_addr ? READ : WRITE, + compat_ptr(uiov), nr_segs, + UIO_FASTIOV, iov, &kmsg->msg_iter); } /* Bleech... */ |