1 files changed, 12 insertions, 13 deletions

diff --git a/block/io.c b/block/io.c
index 3e91074..ef75a5a 100644
--- a/block/io.c
+++ b/block/io.c
@@ -884,17 +884,12 @@ static bool coroutine_fn bdrv_wait_serialising_requests(BdrvTrackedRequest *self
     return waited;
 }
 
-static int bdrv_check_byte_request(BlockDriverState *bs, int64_t offset,
-                                   size_t size)
+static int bdrv_check_byte_request(int64_t offset, size_t size)
 {
     if (size > BDRV_REQUEST_MAX_BYTES) {
         return -EIO;
     }
 
-    if (!bdrv_is_inserted(bs)) {
-        return -ENOMEDIUM;
-    }
-
     if (offset < 0) {
         return -EIO;
     }
@@ -1642,7 +1637,11 @@ int coroutine_fn bdrv_co_preadv_part(BdrvChild *child,
 
     trace_bdrv_co_preadv(bs, offset, bytes, flags);
 
-    ret = bdrv_check_byte_request(bs, offset, bytes);
+    if (!bdrv_is_inserted(bs)) {
+        return -ENOMEDIUM;
+    }
+
+    ret = bdrv_check_byte_request(offset, bytes);
     if (ret < 0) {
         return ret;
     }
@@ -2054,11 +2053,11 @@ int coroutine_fn bdrv_co_pwritev_part(BdrvChild *child,
 
     trace_bdrv_co_pwritev(child->bs, offset, bytes, flags);
 
-    if (!bs->drv) {
+    if (!bdrv_is_inserted(bs)) {
         return -ENOMEDIUM;
     }
 
-    ret = bdrv_check_byte_request(bs, offset, bytes);
+    ret = bdrv_check_byte_request(offset, bytes);
     if (ret < 0) {
         return ret;
     }
@@ -3045,10 +3044,10 @@ static int coroutine_fn bdrv_co_copy_range_internal(
     assert(!(read_flags & BDRV_REQ_NO_FALLBACK));
     assert(!(write_flags & BDRV_REQ_NO_FALLBACK));
 
-    if (!dst || !dst->bs) {
+    if (!dst || !dst->bs || !bdrv_is_inserted(dst->bs)) {
         return -ENOMEDIUM;
     }
-    ret = bdrv_check_byte_request(dst->bs, dst_offset, bytes);
+    ret = bdrv_check_byte_request(dst_offset, bytes);
     if (ret) {
         return ret;
     }
@@ -3056,10 +3055,10 @@ static int coroutine_fn bdrv_co_copy_range_internal(
         return bdrv_co_pwrite_zeroes(dst, dst_offset, bytes, write_flags);
     }
 
-    if (!src || !src->bs) {
+    if (!src || !src->bs || !bdrv_is_inserted(src->bs)) {
         return -ENOMEDIUM;
     }
-    ret = bdrv_check_byte_request(src->bs, src_offset, bytes);
+    ret = bdrv_check_byte_request(src_offset, bytes);
     if (ret) {
         return ret;
     }