diff options
Diffstat (limited to 'arch/um/drivers/ubd_kern.c')
| -rw-r--r-- | arch/um/drivers/ubd_kern.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 247f95da057b..eae8c83364f7 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -1592,11 +1592,11 @@ int io_thread(void *arg) &io_remainder_size, UBD_REQ_BUFFER_SIZE ); - if (n < 0) { - if (n == -EAGAIN) { + if (n <= 0) { + if (n == -EAGAIN) ubd_read_poll(-1); - continue; - } + + continue; } for (count = 0; count < n/sizeof(struct io_thread_req *); count++) { @@ -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; } |