xiaomi-sm8450/android_kernel_xiaomi_sm8450
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media: use strscpy() instead of strlcpy()

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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>
This commit is contained in:
Mauro Carvalho Chehab
2018-09-10 08:19:14 -04:00
parent b730c40813
commit c0decac19d
260 changed files with 676 additions and 665 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
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@@ -121,10 +121,10 @@ static int pvr2_querycap(struct file *file, void *priv, struct v4l2_capability *
struct pvr2_v4l2_fh *fh = file->private_data;
struct pvr2_hdw *hdw = fh->channel.mc_head->hdw;
strlcpy(cap->driver, "pvrusb2", sizeof(cap->driver));
strlcpy(cap->bus_info, pvr2_hdw_get_bus_info(hdw),
sizeof(cap->bus_info));
strlcpy(cap->card, pvr2_hdw_get_desc(hdw), sizeof(cap->card));
strscpy(cap->driver, "pvrusb2", sizeof(cap->driver));
strscpy(cap->bus_info, pvr2_hdw_get_bus_info(hdw),
sizeof(cap->bus_info));
strscpy(cap->card, pvr2_hdw_get_desc(hdw), sizeof(cap->card));
cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER |
V4L2_CAP_AUDIO | V4L2_CAP_RADIO |
V4L2_CAP_READWRITE | V4L2_CAP_DEVICE_CAPS;
@@ -545,7 +545,7 @@ static int pvr2_queryctrl(struct file *file, void *priv,
"QUERYCTRL id=0x%x mapping name=%s (%s)",
vc->id, pvr2_ctrl_get_name(cptr),
pvr2_ctrl_get_desc(cptr));
strlcpy(vc->name, pvr2_ctrl_get_desc(cptr), sizeof(vc->name));
strscpy(vc->name, pvr2_ctrl_get_desc(cptr), sizeof(vc->name));
vc->flags = pvr2_ctrl_get_v4lflags(cptr);
pvr2_ctrl_get_def(cptr, &val);
vc->default_value = val;