[PATCH] hw/usb: Fix bad printf format specifiers

[Alex Chen <alex.chen@huawei.com>]

We should use printf format specifier "%u" instead of "%d" for
argument of type "unsigned int".

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Alex Chen <alex.chen@huawei.com>
---
 hw/usb/ccid-card-passthru.c   | 2 +-
 hw/usb/core.c                 | 4 ++--
 hw/usb/dev-smartcard-reader.c | 8 ++++----
 hw/usb/hcd-ehci.c             | 4 ++--
 4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/hw/usb/ccid-card-passthru.c b/hw/usb/ccid-card-passthru.c
index e8e9d37e88..48590730e0 100644
--- a/hw/usb/ccid-card-passthru.c
+++ b/hw/usb/ccid-card-passthru.c
@@ -335,7 +335,7 @@ static void passthru_apdu_from_guest(
     PassthruState *card = PASSTHRU_CCID_CARD(base);
 
     if (!qemu_chr_fe_backend_connected(&card->cs)) {
-        printf("ccid-passthru: no chardev, discarding apdu length %d\n", len);
+        printf("ccid-passthru: no chardev, discarding apdu length %u\n", len);
         return;
     }
     ccid_card_vscard_send_apdu(card, apdu, len);
diff --git a/hw/usb/core.c b/hw/usb/core.c
index 5234dcc73f..965178f506 100644
--- a/hw/usb/core.c
+++ b/hw/usb/core.c
@@ -142,7 +142,7 @@ static void do_token_setup(USBDevice *s, USBPacket *p)
     setup_len = (s->setup_buf[7] << 8) | s->setup_buf[6];
     if (setup_len > sizeof(s->data_buf)) {
         fprintf(stderr,
-                "usb_generic_handle_packet: ctrl buffer too small (%d > %zu)\n",
+                "usb_generic_handle_packet: ctrl buffer too small (%u > %zu)\n",
                 setup_len, sizeof(s->data_buf));
         p->status = USB_RET_STALL;
         return;
@@ -277,7 +277,7 @@ static void do_parameter(USBDevice *s, USBPacket *p)
     setup_len = (s->setup_buf[7] << 8) | s->setup_buf[6];
     if (setup_len > sizeof(s->data_buf)) {
         fprintf(stderr,
-                "usb_generic_handle_packet: ctrl buffer too small (%d > %zu)\n",
+                "usb_generic_handle_packet: ctrl buffer too small (%u > %zu)\n",
                 setup_len, sizeof(s->data_buf));
         p->status = USB_RET_STALL;
         return;
diff --git a/hw/usb/dev-smartcard-reader.c b/hw/usb/dev-smartcard-reader.c
index 946df9734a..80109fa551 100644
--- a/hw/usb/dev-smartcard-reader.c
+++ b/hw/usb/dev-smartcard-reader.c
@@ -945,7 +945,7 @@ static void ccid_on_apdu_from_guest(USBCCIDState *s, CCID_XferBlock *recv)
         return;
     }
     len = le32_to_cpu(recv->hdr.dwLength);
-    DPRINTF(s, 1, "%s: seq %d, len %d\n", __func__,
+    DPRINTF(s, 1, "%s: seq %d, len %u\n", __func__,
                 recv->hdr.bSeq, len);
     ccid_add_pending_answer(s, (CCID_Header *)recv);
     if (s->card && len <= BULK_OUT_DATA_SIZE) {
@@ -995,13 +995,13 @@ static void ccid_handle_bulk_out(USBCCIDState *s, USBPacket *p)
     if ((s->bulk_out_pos - 10 < ccid_header->dwLength) &&
         (p->iov.size == CCID_MAX_PACKET_SIZE)) {
         DPRINTF(s, D_VERBOSE,
-                "usb-ccid: bulk_in: expecting more packets (%d/%d)\n",
+                "usb-ccid: bulk_in: expecting more packets (%u/%u)\n",
                 s->bulk_out_pos - 10, ccid_header->dwLength);
         return;
     }
     if (s->bulk_out_pos - 10 != ccid_header->dwLength) {
         DPRINTF(s, 1,
-                "usb-ccid: bulk_in: message size mismatch (got %d, expected %d)\n",
+                "usb-ccid: bulk_in: message size mismatch (got %u, expected %u)\n",
                 s->bulk_out_pos - 10, ccid_header->dwLength);
         goto err;
     }
@@ -1202,7 +1202,7 @@ void ccid_card_send_apdu_to_guest(CCIDCardState *card,
         ccid_report_error_failed(s, ERROR_HW_ERROR);
         return;
     }
-    DPRINTF(s, 1, "APDU returned to guest %d (answer seq %d, slot %d)\n",
+    DPRINTF(s, 1, "APDU returned to guest %u (answer seq %d, slot %d)\n",
         len, answer->seq, answer->slot);
     ccid_write_data_block_answer(s, apdu, len);
 }
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
index ae7f20c502..257375d254 100644
--- a/hw/usb/hcd-ehci.c
+++ b/hw/usb/hcd-ehci.c
@@ -1192,7 +1192,7 @@ static int ehci_init_transfer(EHCIPacket *p)
 
     while (bytes > 0) {
         if (cpage > 4) {
-            fprintf(stderr, "cpage out of range (%d)\n", cpage);
+            fprintf(stderr, "cpage out of range (%u)\n", cpage);
             qemu_sglist_destroy(&p->sgl);
             return -1;
         }
@@ -1598,7 +1598,7 @@ static int ehci_state_fetchentry(EHCIState *ehci, int async)
 
     default:
         /* TODO: handle FSTN type */
-        fprintf(stderr, "FETCHENTRY: entry at %X is of type %d "
+        fprintf(stderr, "FETCHENTRY: entry at %X is of type %u "
                 "which is not supported yet\n", entry, NLPTR_TYPE_GET(entry));
         return -1;
     }
-- 
2.19.1