block: qed - use QEMU_PACKED for on-disk structures
QEDHeader is read, and written, directly from on-disk images
via bdrv_pread()/write(). To avoid any unintentional padding,
these structs should be packed.
Signed-off-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/block/qed.h b/block/qed.h
index 2b4dded..5d65bea 100644
--- a/block/qed.h
+++ b/block/qed.h
@@ -100,7 +100,7 @@
/* if (features & QED_F_BACKING_FILE) */
uint32_t backing_filename_offset; /* in bytes from start of header */
uint32_t backing_filename_size; /* in bytes */
-} QEDHeader;
+} QEMU_PACKED QEDHeader;
typedef struct {
uint64_t offsets[0]; /* in bytes */
