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authorMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-09-10 15:19:14 +0300
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-09-11 20:32:17 +0300
commitc0decac19da3906d9b66291e57b7759489e1170f (patch)
tree0eeb1f7d2c5464e0c87e0c788fd8fb581662c621 /drivers/media/usb/pvrusb2
parentb730c40813a95ebc35757790a990794f55e2b61c (diff)
downloadlinux-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/usb/pvrusb2')
-rw-r--r--drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c6
-rw-r--r--drivers/media/usb/pvrusb2/pvrusb2-v4l2.c10
2 files changed, 8 insertions, 8 deletions
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c
index f3003ca05f4b..ec7d32759e39 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c
@@ -573,7 +573,7 @@ static void pvr2_i2c_register_ir(struct pvr2_hdw *hdw)
/* IR Receiver */
info.addr = 0x18;
info.platform_data = init_data;
- strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
+ strscpy(info.type, "ir_video", I2C_NAME_SIZE);
pvr2_trace(PVR2_TRACE_INFO, "Binding %s to i2c address 0x%02x.",
info.type, info.addr);
i2c_new_device(&hdw->i2c_adap, &info);
@@ -588,7 +588,7 @@ static void pvr2_i2c_register_ir(struct pvr2_hdw *hdw)
/* IR Transceiver */
info.addr = 0x71;
info.platform_data = init_data;
- strlcpy(info.type, "ir_z8f0811_haup", I2C_NAME_SIZE);
+ strscpy(info.type, "ir_z8f0811_haup", I2C_NAME_SIZE);
pvr2_trace(PVR2_TRACE_INFO, "Binding %s to i2c address 0x%02x.",
info.type, info.addr);
i2c_new_device(&hdw->i2c_adap, &info);
@@ -631,7 +631,7 @@ void pvr2_i2c_core_init(struct pvr2_hdw *hdw)
// Configure the adapter and set up everything else related to it.
hdw->i2c_adap = pvr2_i2c_adap_template;
hdw->i2c_algo = pvr2_i2c_algo_template;
- strlcpy(hdw->i2c_adap.name,hdw->name,sizeof(hdw->i2c_adap.name));
+ strscpy(hdw->i2c_adap.name, hdw->name, sizeof(hdw->i2c_adap.name));
hdw->i2c_adap.dev.parent = &hdw->usb_dev->dev;
hdw->i2c_adap.algo = &hdw->i2c_algo;
hdw->i2c_adap.algo_data = hdw;
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
index e53a80b589a1..cea232a3302d 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
@@ -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;