summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/um/drivers/ubd_kern.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 247f95da057b..eca45ad2166c 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -1607,7 +1607,9 @@ int io_thread(void *arg)
written = 0;
do {
- res = os_write_file(kernel_fd, ((char *) io_req_buffer) + written, n);
+ res = os_write_file(kernel_fd,
+ ((char *) io_req_buffer) + written,
+ n - written);
if (res >= 0) {
written += res;
}