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| author | Ferruh Yigit <fery@cypress.com> | 2013-05-23 20:56:55 +0400 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-06-06 09:46:30 +0400 |
| commit | d2983cdb480157f637df07723f28aaa657b1080d (patch) | |
| tree | cf6c7038a85a31bf079747b48d540144462f93f3 /drivers/input/touchscreen/cyttsp_core.c | |
| parent | 3bd1f7e2db4124a2726f9afdeaaf82f09b0bd8eb (diff) | |
| download | linux-d2983cdb480157f637df07723f28aaa657b1080d.tar.xz | |
Input: cyttsp - fix memcpy size param
memcpy param is wrong because of offset in bl_cmd, this may corrupt the
stack which may cause a crash.
Tested-by: Ferruh Yigit <fery@cypress.com> on TMA300-DVK
Signed-off-by: Ferruh Yigit <fery@cypress.com>
Acked-by: Javier Martinez Canillas <javier@dowhile0.org>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/touchscreen/cyttsp_core.c')
| -rw-r--r-- | drivers/input/touchscreen/cyttsp_core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/input/touchscreen/cyttsp_core.c b/drivers/input/touchscreen/cyttsp_core.c index 8e60437ac85b..97ba89128312 100644 --- a/drivers/input/touchscreen/cyttsp_core.c +++ b/drivers/input/touchscreen/cyttsp_core.c @@ -133,7 +133,7 @@ static int cyttsp_exit_bl_mode(struct cyttsp *ts) memcpy(bl_cmd, bl_command, sizeof(bl_command)); if (ts->pdata->bl_keys) memcpy(&bl_cmd[sizeof(bl_command) - CY_NUM_BL_KEYS], - ts->pdata->bl_keys, sizeof(bl_command)); + ts->pdata->bl_keys, CY_NUM_BL_KEYS); error = ttsp_write_block_data(ts, CY_REG_BASE, sizeof(bl_cmd), bl_cmd); |