malhuda/msm-4.14
1
0
Fork 0
mirror of https://github.com/rd-stuffs/msm-4.14.git synced 2025-02-20 11:45:48 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

net: qrtr: Loop on mhi_dev_read_channel until it returns 0

Browse Source 
qrtr_mhi_dev_event_cb will be called only once if there is
more than one packet at that time. Hence, call mhi_dev_read_channel
in a loop until it returns zero.

Change-Id: I2f171cb45e66c1c439fcc7d0027c22d0edb4fb19
Signed-off-by: Jay Jayanna <jayanna@codeaurora.org>
This commit is contained in:
Jay Jayanna 2019-07-19 15:29:31 -07:00
parent 5c9c165066
commit 1a79f2584e
1 changed files with 12 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
net/qrtr/mhi_dev.c
View File

@ -93,6 +93,7 @@ static void qrtr_mhi_dev_read(struct qrtr_mhi_dev_ep *qep)
{
struct mhi_req req = { 0 };
int rc;
int bytes_read;
req.chan = QRTR_MHI_DEV_IN;
req.client = qep->in;
@ -100,15 +101,18 @@ static void qrtr_mhi_dev_read(struct qrtr_mhi_dev_ep *qep)
req.buf = qep->buf_in;
req.len = QRTR_MAX_PKT_SIZE;
rc = mhi_dev_read_channel(&req);
if (rc < 0) {
dev_err(qep->dev, "failed to read channel %d\n", rc);
return;
}
do {
bytes_read = mhi_dev_read_channel(&req);
if (bytes_read < 0) {
dev_err(qep->dev, "failed to read channel %d\n",
bytes_read);
return;
}
rc = qrtr_endpoint_post(&qep->ep, req.buf, req.transfer_len);
if (rc == -EINVAL)
dev_err(qep->dev, "invalid ipcrouter packet\n");
rc = qrtr_endpoint_post(&qep->ep, req.buf, req.transfer_len);
if (rc == -EINVAL)
dev_err(qep->dev, "invalid ipcrouter packet\n");
} while (bytes_read > 0);
}
static void qrtr_mhi_dev_event_cb(struct mhi_dev_client_cb_reason *reason)