Changeset bbd68a4 in mainline

Timestamp:

2013-01-05T11:35:34Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

f704194

Parents:

a3886be

Message:

libisbhost: Add message to error path.

File:

• uspace/lib/usbhost/src/hcd.c (modified) (3 diffs)

uspace/lib/usbhost/src/hcd.c

@@ -243 +243 @@
             ep, data, size, setup_data, in, out, arg);
         if (!batch) {
+                usb_log_error("Failed to create transfer batch.\n");
                 return ENOMEM;
         }
@@ -255 +256 @@
 typedef struct {
         volatile unsigned done;
-        int ret;        
+        int ret;
         size_t size;
 } sync_data_t;
@@ -284 +285 @@
         sync_data_t sd = { .done = 0, .ret = EINPROGRESS, .size = size };
 
-        int ret = hcd_send_batch(hcd, target, dir, data, size, setup_data,
+        const int ret = hcd_send_batch(hcd, target, dir, data, size, setup_data,
             dir == USB_DIRECTION_IN ? transfer_in_cb : NULL,
             dir == USB_DIRECTION_OUT ? transfer_out_cb : NULL, &sd, name);
         if (ret != EOK)
                 return ret;
-        do {
+
+        while (!sd.done) {
                 async_usleep(1000);
-        } while (!sd.done);
+        }
+
         if (sd.ret == EOK)
                 return sd.size;