summaryrefslogtreecommitdiffstats
path: root/sys/kern/uipc_syscalls.c
diff options
context:
space:
mode:
authordwmalone <dwmalone@FreeBSD.org>2003-05-29 18:36:26 +0000
committerdwmalone <dwmalone@FreeBSD.org>2003-05-29 18:36:26 +0000
commita02706ac9315f0d50e6a05572a574d74c2eb84d9 (patch)
tree6861175fdc34ba47fcb8015360f1e8beef3b43b4 /sys/kern/uipc_syscalls.c
parente330758d56bad341f3b6004687dae494c845e9f0 (diff)
downloadFreeBSD-src-a02706ac9315f0d50e6a05572a574d74c2eb84d9.zip
FreeBSD-src-a02706ac9315f0d50e6a05572a574d74c2eb84d9.tar.gz
Grab giant in sendit rather than kern_sendit because sockargs may
allocate mbufs with M_TRYWAIT, which may require Giant. Reviewed by: bmilekic Approved by: re (scottl)
Diffstat (limited to 'sys/kern/uipc_syscalls.c')
-rw-r--r--sys/kern/uipc_syscalls.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/sys/kern/uipc_syscalls.c b/sys/kern/uipc_syscalls.c
index cf6ef69..1df7853 100644
--- a/sys/kern/uipc_syscalls.c
+++ b/sys/kern/uipc_syscalls.c
@@ -623,10 +623,13 @@ sendit(td, s, mp, flags)
struct sockaddr *to;
int error;
+ mtx_lock(&Giant);
if (mp->msg_name != NULL) {
error = getsockaddr(&to, mp->msg_name, mp->msg_namelen);
- if (error)
- return error;
+ if (error) {
+ to = NULL;
+ goto bad;
+ }
mp->msg_name = to;
} else
to = NULL;
@@ -669,6 +672,7 @@ sendit(td, s, mp, flags)
bad:
if (to)
FREE(to, M_SONAME);
+ mtx_unlock(&Giant);
return (error);
}
@@ -691,7 +695,6 @@ kern_sendit(td, s, mp, flags, control)
int iovlen;
#endif
- mtx_lock(&Giant);
if ((error = fgetsock(td, s, &so, NULL)) != 0)
goto bad2;
@@ -752,7 +755,6 @@ kern_sendit(td, s, mp, flags, control)
bad:
fputsock(so);
bad2:
- mtx_unlock(&Giant);
return (error);
}
OpenPOWER on IntegriCloud