From: Hans Verkuil <hans.verk...@cisco.com> When getting a string and the size given by the application is too short return the max length the string can have (elem_size) instead of the string length + 1. That makes more sense.
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com> Reviewed-by: Sylwester Nawrocki <s.nawro...@samsung.com> --- drivers/media/v4l2-core/v4l2-ctrls.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index adc1c53..c55cabb 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -1298,7 +1298,7 @@ static int ptr_to_user(struct v4l2_ext_control *c, case V4L2_CTRL_TYPE_STRING: len = strlen(ptr.p_char); if (c->size < len + 1) { - c->size = len + 1; + c->size = ctrl->elem_size; return -ENOSPC; } return copy_to_user(c->string, ptr.p_char, len + 1) ? -- 1.8.4.rc3 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html