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| author | Cristina Opriceana <cristina.opriceana@gmail.com> | 2015-08-03 12:37:40 +0200 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2015-08-12 20:26:34 +0200 |
| commit | 1bdc0293901cbea23c6dc29432e81919d4719844 (patch) | |
| tree | c47f9eceedb3a99ae5f33dd369f3e175ba527849 | |
| parent | iio: lsiio: fix error code handling error (diff) | |
| download | linux-1bdc0293901cbea23c6dc29432e81919d4719844.tar.xz linux-1bdc0293901cbea23c6dc29432e81919d4719844.zip | |
iio: industrialio-buffer: Fix iio_buffer_poll return value
Change return value to 0 if no device is bound since
unsigned int cannot support negative error codes.
Fixes: f18e7a068 ("iio: Return -ENODEV for file operations if the
device has been unregistered")
Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| -rw-r--r-- | drivers/iio/industrialio-buffer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index faed6efa49ec..d7e908acb480 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -164,7 +164,7 @@ unsigned int iio_buffer_poll(struct file *filp, struct iio_buffer *rb = indio_dev->buffer; if (!indio_dev->info) - return -ENODEV; + return 0; poll_wait(filp, &rb->pollq, wait); if (iio_buffer_ready(indio_dev, rb, rb->watermark, 0)) |