forked from pool/openamp
Petr Gajdos
a713ab96f9
* Added virtio feature negotiation. * update IRQ registration in apps * bug fixes - added patches fix https://github.com/OpenAMP/open-amp/pull/196 + openamp-fix-build-with-libmetal.patch fix https://github.com/OpenAMP/open-amp/pull/197 + openamp-wait-when-no-more-buffer-avail.patch OBS-URL: https://build.opensuse.org/package/show/science:machinelearning/openamp?expand=0&rev=2
15 lines
553 B
Diff
15 lines
553 B
Diff
diff --git a/lib/rpmsg/rpmsg_virtio.c b/lib/rpmsg/rpmsg_virtio.c
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index cf3ec213..1e360163 100644
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--- a/lib/rpmsg/rpmsg_virtio.c
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+++ b/lib/rpmsg/rpmsg_virtio.c
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@@ -308,7 +308,7 @@ static int rpmsg_virtio_send_offchannel_raw(struct rpmsg_device *rdev,
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/* Lock the device to enable exclusive access to virtqueues */
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metal_mutex_acquire(&rdev->lock);
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avail_size = _rpmsg_virtio_get_buffer_size(rvdev);
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- if (size > avail_size) {
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+ if (avail_size && size > avail_size) {
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metal_mutex_release(&rdev->lock);
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return RPMSG_ERR_BUFF_SIZE;
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}
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