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lib: abort if submitting transfer fails, don't deadlock when cancelling fails

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Signed-off-by: Steve Markgraf <steve@steve-m.de>
This commit is contained in:
Steve Markgraf 2014-01-03 05:54:54 +01:00
parent 3ab6fffbdd
commit d683b128f9
1 changed files with 10 additions and 2 deletions
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12
src/librtlsdr.c
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@ -1760,7 +1760,12 @@ int rtlsdr_read_async(rtlsdr_dev_t *dev, rtlsdr_read_async_cb_t cb, void *ctx,
(void *)dev,
BULK_TIMEOUT);
libusb_submit_transfer(dev->xfer[i]);
r = libusb_submit_transfer(dev->xfer[i]);
if (r < 0) {
fprintf(stderr, "Failed to submit transfer %i!\n", i);
dev->async_status = RTLSDR_CANCELING;
break;
}
}
while (RTLSDR_INACTIVE != dev->async_status) {
@ -1784,7 +1789,10 @@ int rtlsdr_read_async(rtlsdr_dev_t *dev, rtlsdr_read_async_cb_t cb, void *ctx,
if (LIBUSB_TRANSFER_CANCELLED !=
dev->xfer[i]->status) {
libusb_cancel_transfer(dev->xfer[i]);
r = libusb_cancel_transfer(dev->xfer[i]);
if (r < 0)
continue;
next_status = RTLSDR_CANCELING;
}
}