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authorKarol Swietlicki <magotari@gmail.com>2008-02-05 01:31:04 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-05 12:44:29 -0500
commit7b5cc6ee6cf9001775c348bac09814a45f1276b7 (patch)
treef66ed600277ee1cdba1df31907073020f15d915c /arch/um
parent2dc5802a22d68d83ef4c3d616912949a6527bb65 (diff)
uml: fix mconsole stop
Bring back the functionality of stopping user mode linux with the help of mconsole. [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 block.] Signed-off-by: Karol Swietlicki <magotari@gmail.com> Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/drivers/mconsole_user.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/um/drivers/mconsole_user.c b/arch/um/drivers/mconsole_user.c
index 430c024a19b0..13af2f03ed84 100644
--- a/arch/um/drivers/mconsole_user.c
+++ b/arch/um/drivers/mconsole_user.c
@@ -83,9 +83,8 @@ int mconsole_get_request(int fd, struct mc_request *req)
83 int len; 83 int len;
84 84
85 req->originlen = sizeof(req->origin); 85 req->originlen = sizeof(req->origin);
86 req->len = recvfrom(fd, &req->request, sizeof(req->request), 86 req->len = recvfrom(fd, &req->request, sizeof(req->request), 0,
87 MSG_DONTWAIT, (struct sockaddr *) req->origin, 87 (struct sockaddr *) req->origin, &req->originlen);
88 &req->originlen);
89 if (req->len < 0) 88 if (req->len < 0)
90 return 0; 89 return 0;
91 90