diff options
| author | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-09-10 15:19:14 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-09-11 20:32:17 +0300 |
| commit | c0decac19da3906d9b66291e57b7759489e1170f (patch) | |
| tree | 0eeb1f7d2c5464e0c87e0c788fd8fb581662c621 /drivers/media/v4l2-core/v4l2-ctrls.c | |
| parent | b730c40813a95ebc35757790a990794f55e2b61c (diff) | |
| download | linux-c0decac19da3906d9b66291e57b7759489e1170f.tar.xz | |
media: use strscpy() instead of strlcpy()
The implementation of strscpy() is more robust and safer.
That's now the recommended way to copy NUL terminated strings.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-ctrls.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ctrls.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 599c1cbff3b9..ee006d34c19f 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -2722,7 +2722,7 @@ int v4l2_query_ext_ctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_query_ext_ctr qc->id = id; else qc->id = ctrl->id; - strlcpy(qc->name, ctrl->name, sizeof(qc->name)); + strscpy(qc->name, ctrl->name, sizeof(qc->name)); qc->flags = user_flags(ctrl); qc->type = ctrl->type; qc->elem_size = ctrl->elem_size; @@ -2754,7 +2754,7 @@ int v4l2_queryctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_queryctrl *qc) qc->id = qec.id; qc->type = qec.type; qc->flags = qec.flags; - strlcpy(qc->name, qec.name, sizeof(qc->name)); + strscpy(qc->name, qec.name, sizeof(qc->name)); switch (qc->type) { case V4L2_CTRL_TYPE_INTEGER: case V4L2_CTRL_TYPE_BOOLEAN: @@ -2813,7 +2813,7 @@ int v4l2_querymenu(struct v4l2_ctrl_handler *hdl, struct v4l2_querymenu *qm) if (ctrl->type == V4L2_CTRL_TYPE_MENU) { if (ctrl->qmenu[i] == NULL || ctrl->qmenu[i][0] == '\0') return -EINVAL; - strlcpy(qm->name, ctrl->qmenu[i], sizeof(qm->name)); + strscpy(qm->name, ctrl->qmenu[i], sizeof(qm->name)); } else { qm->value = ctrl->qmenu_int[i]; } @@ -3442,7 +3442,7 @@ int __v4l2_ctrl_s_ctrl_string(struct v4l2_ctrl *ctrl, const char *s) /* It's a driver bug if this happens. */ WARN_ON(ctrl->type != V4L2_CTRL_TYPE_STRING); - strlcpy(ctrl->p_new.p_char, s, ctrl->maximum + 1); + strscpy(ctrl->p_new.p_char, s, ctrl->maximum + 1); return set_ctrl(NULL, ctrl, 0); } EXPORT_SYMBOL(__v4l2_ctrl_s_ctrl_string); |