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-rw-r--r--arch/um/drivers/virtio_uml.c6
-rw-r--r--arch/um/os-Linux/file.c2
-rw-r--r--arch/um/os-Linux/util.c3
3 files changed, 6 insertions, 5 deletions
diff --git a/arch/um/drivers/virtio_uml.c b/arch/um/drivers/virtio_uml.c
index ad8d78fb1d9a..de7867ae220d 100644
--- a/arch/um/drivers/virtio_uml.c
+++ b/arch/um/drivers/virtio_uml.c
@@ -1250,10 +1250,12 @@ static int virtio_uml_probe(struct platform_device *pdev)
device_set_wakeup_capable(&vu_dev->vdev.dev, true);
rc = register_virtio_device(&vu_dev->vdev);
- if (rc)
+ if (rc) {
put_device(&vu_dev->vdev.dev);
+ return rc;
+ }
vu_dev->registered = 1;
- return rc;
+ return 0;
error_init:
os_close_file(vu_dev->sock);
diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
index 617886d1fb1e..21f0e50fb1df 100644
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -535,7 +535,7 @@ ssize_t os_rcv_fd_msg(int fd, int *fds, unsigned int n_fds,
cmsg->cmsg_type != SCM_RIGHTS)
return n;
- memcpy(fds, CMSG_DATA(cmsg), cmsg->cmsg_len);
+ memcpy(fds, CMSG_DATA(cmsg), cmsg->cmsg_len - CMSG_LEN(0));
return n;
}
diff --git a/arch/um/os-Linux/util.c b/arch/um/os-Linux/util.c
index 4193e04d7e4a..e3ad71a0d13c 100644
--- a/arch/um/os-Linux/util.c
+++ b/arch/um/os-Linux/util.c
@@ -20,8 +20,7 @@
void stack_protections(unsigned long address)
{
- if (mprotect((void *) address, UM_THREAD_SIZE,
- PROT_READ | PROT_WRITE | PROT_EXEC) < 0)
+ if (mprotect((void *) address, UM_THREAD_SIZE, PROT_READ | PROT_WRITE) < 0)
panic("protecting stack failed, errno = %d", errno);
}