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media: atomisp: don't flood dmesg with -EAGAIN return codes

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Using DQBUF on non-blocking mode will return -EAGAIN
if nothing arrives. Printing it has no value, even for debug
purposes. So, only display real return codes.

Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab
2020-05-21 10:04:49 +02:00
parent 171b7bd66a
commit 9c30f50d14
1 changed files with 2 additions and 1 deletions
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3
drivers/staging/media/atomisp/pci/atomisp_ioctl.c
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@@ -1443,7 +1443,8 @@ static int atomisp_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
ret = videobuf_dqbuf(&pipe->capq, buf, file->f_flags & O_NONBLOCK);
if (ret) {
dev_dbg(isp->dev, "<%s: %d\n", __func__, ret);
if (ret != -EAGAIN)
dev_dbg(isp->dev, "<%s: %d\n", __func__, ret);
return ret;
}
rt_mutex_lock(&isp->mutex);