diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2015-08-08 22:16:42 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-11-09 14:37:34 -0800 |
| commit | 249b5a7a20b1738d6038bbb400cb9b118c263823 (patch) | |
| tree | f94d6bcddac32fbca1956e27bdf6b1efa7384a87 /drivers | |
| parent | f1cf6a8e4c46bc3e3914445d50455ec12cfef787 (diff) | |
iio: accel: sca3000: memory corruption in sca3000_read_first_n_hw_rb()
commit eda7d0f38aaf50dbb2a2de15e8db386c4f6f65fc upstream.
"num_read" is in byte units but we are write u16s so we end up write
twice as much as intended.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/iio/accel/sca3000_ring.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/iio/accel/sca3000_ring.c b/drivers/staging/iio/accel/sca3000_ring.c index 23685e74917e..bd2c69f85949 100644 --- a/drivers/staging/iio/accel/sca3000_ring.c +++ b/drivers/staging/iio/accel/sca3000_ring.c @@ -116,7 +116,7 @@ static int sca3000_read_first_n_hw_rb(struct iio_buffer *r, if (ret) goto error_ret; - for (i = 0; i < num_read; i++) + for (i = 0; i < num_read / sizeof(u16); i++) *(((u16 *)rx) + i) = be16_to_cpup((__be16 *)rx + i); if (copy_to_user(buf, rx, num_read)) |