nbd: Fix potential signed overflow issues

[qemu.git] / include / block / nbd.h

diff --git a/include/block/nbd.h b/include/block/nbd.h
index 2c201385886769be82544687d15a846bd60b1aa7..53726e82e907e47870a919de09a7c7a9963ab21c 100644 (file)
--- a/include/block/nbd.h
+++ b/include/block/nbd.h
@@ -54,8 +54,8 @@ struct nbd_reply {
 /* Reply types. */
 #define NBD_REP_ACK             (1)             /* Data sending finished. */
 #define NBD_REP_SERVER          (2)             /* Export description. */
-#define NBD_REP_ERR_UNSUP       ((1 << 31) | 1) /* Unknown option. */
-#define NBD_REP_ERR_INVALID     ((1 << 31) | 3) /* Invalid length. */
+#define NBD_REP_ERR_UNSUP       ((UINT32_C(1) << 31) | 1) /* Unknown option. */
+#define NBD_REP_ERR_INVALID     ((UINT32_C(1) << 31) | 3) /* Invalid length. */
 
 #define NBD_CMD_MASK_COMMAND   0x0000ffff
 #define NBD_CMD_FLAG_FUA       (1 << 16)