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 14:33:35 -0800 |
commit | d3f3bbe554198c39f2e8e69b92c87444ae4273c4 (patch) | |
tree | 7e7269dc0bc06a789d84588976f161889ab72b77 | |
parent | 49ffed3bf81c2da2ba1958df661d2f0580a2335c (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>
-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 8589eade1057..de65a8730d88 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)) |