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| author |   Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-09-10 08:19:14 -0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-09-11 13:32:17 -0400 |
| commit | c0decac19da3906d9b66291e57b7759489e1170f (patch) | |
| tree | 0eeb1f7d2c5464e0c87e0c788fd8fb581662c621 /drivers/media/v4l2-core/v4l2-ioctl.c | |
| parent | media: MAINTAINERS: add entry for i.MX PXP media mem2mem driver (diff) | |
| download | linux-dev-c0decac19da3906d9b66291e57b7759489e1170f.tar.xz linux-dev-c0decac19da3906d9b66291e57b7759489e1170f.zip | |
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-ioctl.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ioctl.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 54afc9c7ee6e..7de041bae84f 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -121,7 +121,7 @@ int v4l2_video_std_construct(struct v4l2_standard *vs, vs->id = id; v4l2_video_std_frame_period(id, &vs->frameperiod); vs->framelines = (id & V4L2_STD_525_60) ? 525 : 625; - strlcpy(vs->name, name, sizeof(vs->name)); + strscpy(vs->name, name, sizeof(vs->name)); return 0; } EXPORT_SYMBOL(v4l2_video_std_construct); @@ -1352,7 +1352,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) } if (descr) - WARN_ON(strlcpy(fmt->description, descr, sz) >= sz); + WARN_ON(strscpy(fmt->description, descr, sz) >= sz); fmt->flags = flags; } @@ -2391,7 +2391,7 @@ static int v4l_dbg_g_chip_info(const struct v4l2_ioctl_ops *ops, p->flags |= V4L2_CHIP_FL_WRITABLE; if (ops->vidioc_g_register) p->flags |= V4L2_CHIP_FL_READABLE; - strlcpy(p->name, vfd->v4l2_dev->name, sizeof(p->name)); + strscpy(p->name, vfd->v4l2_dev->name, sizeof(p->name)); if (ops->vidioc_g_chip_info) return ops->vidioc_g_chip_info(file, fh, arg); if (p->match.addr) @@ -2408,7 +2408,7 @@ static int v4l_dbg_g_chip_info(const struct v4l2_ioctl_ops *ops, p->flags |= V4L2_CHIP_FL_WRITABLE; if (sd->ops->core && sd->ops->core->g_register) p->flags |= V4L2_CHIP_FL_READABLE; - strlcpy(p->name, sd->name, sizeof(p->name)); + strscpy(p->name, sd->name, sizeof(p->name)); return 0; } break; |