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Diffstat (limited to 'arch/um/drivers/ubd_user.c')
-rw-r--r--arch/um/drivers/ubd_user.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/um/drivers/ubd_user.c b/arch/um/drivers/ubd_user.c
index 4707b3f14c2f..41d254bd38df 100644
--- a/arch/um/drivers/ubd_user.c
+++ b/arch/um/drivers/ubd_user.c
@@ -43,6 +43,12 @@ int start_io_thread(unsigned long sp, int *fd_out)
kernel_fd = fds[0];
*fd_out = fds[1];
+ err = os_set_fd_block(*fd_out, 0);
+ if (err) {
+ printk("start_io_thread - failed to set nonblocking I/O.\n");
+ goto out_close;
+ }
+
pid = clone(io_thread, (void *) sp, CLONE_FILES | CLONE_VM | SIGCHLD,
NULL);
if(pid < 0){
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