Commit 7b5cc6ee authored by Karol Swietlicki's avatar Karol Swietlicki Committed by Linus Torvalds
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uml: fix mconsole stop

Bring back the functionality of stopping user mode linux with the help of

[jdike - the bug being fixed is that the mconsole file descriptor is already
set O_NONBLOCK or not, depending on whether we want no blocking (the normal
case) or we want blocking (when an mconsole stop is in effect), so the
MSG_DONTWAIT is redundant in the normal case, and wrong when we want to
Signed-off-by: default avatarKarol Swietlicki <>
Signed-off-by: default avatarJeff Dike <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent 2dc5802a
......@@ -83,9 +83,8 @@ int mconsole_get_request(int fd, struct mc_request *req)
int len;
req->originlen = sizeof(req->origin);
req->len = recvfrom(fd, &req->request, sizeof(req->request),
MSG_DONTWAIT, (struct sockaddr *) req->origin,
req->len = recvfrom(fd, &req->request, sizeof(req->request), 0,
(struct sockaddr *) req->origin, &req->originlen);
if (req->len < 0)
return 0;
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