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match sendfile() error handling to send().

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Sendfile() should match the error checking order of send() which
is currently:

SBS_CANTSENDMORE
so_error
SS_ISCONNECTED

Submitted by:	Jason Eggleston <jason@eggnet.com>
Reviewed by:	glebius
MFC after:	2 weeks
Sponsored by:	Limelight Networks
Differential Revision:	https://reviews.freebsd.org/D12633
This commit is contained in:
Sean Bruno 2017-10-10 22:21:05 +00:00
parent 4887fa3635
commit 1f9916ed08
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=324508
1 changed files with 6 additions and 2 deletions
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8
sys/kern/kern_sendfile.c
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@ -507,8 +507,6 @@ sendfile_getsock(struct thread *td, int s, struct file **sock_fp,
*so = (*sock_fp)->f_data;
if ((*so)->so_type != SOCK_STREAM)
return (EINVAL);
if (((*so)->so_state & SS_ISCONNECTED) == 0)
return (ENOTCONN);
return (0);
}
@ -617,6 +615,12 @@ vn_sendfile(struct file *fp, int sockfd, struct uio *hdr_uio,
SOCKBUF_UNLOCK(&so->so_snd);
goto done;
}
if ((so->so_state & SS_ISCONNECTED) == 0) {
SOCKBUF_UNLOCK(&so->so_snd);
error = ENOTCONN;
goto done;
}
space = sbspace(&so->so_snd);
if (space < rem &&
(space <= 0 ||