diff options
author | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-06-03 08:12:14 +0200 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-06-11 19:13:10 +0200 |
commit | 48b532b9d2a2f27920878a0faea7fac05ec2ebc0 (patch) | |
tree | 23d1b54bec8c756b1fcfbeed0c81c024e2ffc9b2 /drivers | |
parent | baf768cf29f8fb1529e160e3ee481746ae78f6c7 (diff) |
media: atomisp: use strscpy() instead of less secure variants
Replace usages of strcpy(), strlcpy() and strncpy() in favor
of strscpy().
Suggested-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers')
8 files changed, 15 insertions, 16 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp_file.c b/drivers/staging/media/atomisp/pci/atomisp_file.c index fa92b5eba740..e568ca99c45a 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_file.c +++ b/drivers/staging/media/atomisp/pci/atomisp_file.c @@ -219,7 +219,7 @@ int atomisp_file_input_init(struct atomisp_device *isp) v4l2_subdev_init(sd, &file_input_ops); sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; - strcpy(sd->name, "file_input_subdev"); + strscpy(sd->name, "file_input_subdev", sizeof(sd->name)); v4l2_set_subdevdata(sd, file_dev); pads[0].flags = MEDIA_PAD_FL_SINK; diff --git a/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c b/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c index e8f835c3bbae..5d2bfe2ea971 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c +++ b/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c @@ -936,7 +936,7 @@ static int gmin_get_hardcoded_var(struct gmin_cfg_var *varlist, if (vl > *out_len - 1) return -ENOSPC; - strcpy(out, gv->val); + strscpy(out, gv->val, *out_len); *out_len = vl; return 0; } diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c index 15567623b51b..9404a678fa6f 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c +++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c @@ -547,8 +547,8 @@ static int atomisp_querycap(struct file *file, void *fh, struct video_device *vdev = video_devdata(file); struct atomisp_device *isp = video_get_drvdata(vdev); - strscpy(cap->driver, DRIVER, sizeof(cap->driver) - 1); - strscpy(cap->card, CARD, sizeof(cap->card) - 1); + strscpy(cap->driver, DRIVER, sizeof(cap->driver)); + strscpy(cap->card, CARD, sizeof(cap->card)); snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", pci_name(isp->pdev)); @@ -573,8 +573,8 @@ static int atomisp_enum_input(struct file *file, void *fh, return -EINVAL; memset(input, 0, sizeof(struct v4l2_input)); - strncpy(input->name, isp->inputs[index].camera->name, - sizeof(input->name) - 1); + strscpy(input->name, isp->inputs[index].camera->name, + sizeof(input->name)); /* * HACK: append actuator's name to sensor's @@ -593,8 +593,8 @@ static int atomisp_enum_input(struct file *file, void *fh, if (max_size > 1) { input->name[cur_len] = '+'; - strncpy(&input->name[cur_len + 1], - motor->name, max_size - 1); + strscpy(&input->name[cur_len + 1], + motor->name, max_size); } } diff --git a/drivers/staging/media/atomisp/pci/atomisp_tpg.c b/drivers/staging/media/atomisp/pci/atomisp_tpg.c index 9477ac5e22b9..1def80bab180 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_tpg.c +++ b/drivers/staging/media/atomisp/pci/atomisp_tpg.c @@ -148,7 +148,7 @@ int atomisp_tpg_init(struct atomisp_device *isp) tpg->isp = isp; v4l2_subdev_init(sd, &tpg_ops); sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; - strcpy(sd->name, "tpg_subdev"); + strscpy(sd->name, "tpg_subdev", sizeof(sd->name)); v4l2_set_subdevdata(sd, tpg); pads[0].flags = MEDIA_PAD_FL_SINK; diff --git a/drivers/staging/media/atomisp/pci/atomisp_trace_event.h b/drivers/staging/media/atomisp/pci/atomisp_trace_event.h index 61f402a642d4..538d45e008b5 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_trace_event.h +++ b/drivers/staging/media/atomisp/pci/atomisp_trace_event.h @@ -44,7 +44,7 @@ TRACE_EVENT(camera_meminfo, ), TP_fast_assign( - strlcpy(__entry->name, name, 24); + strscpy(__entry->name, name, 24); __entry->uptr_size = uptr_size; __entry->counter = counter; __entry->sys_size = sys_size; @@ -74,8 +74,8 @@ TRACE_EVENT(camera_debug, ), TP_fast_assign( - strlcpy(__entry->name, name, 24); - strlcpy(__entry->info, info, 24); + strscpy(__entry->name, name, 24); + strscpy(__entry->info, info, 24); __entry->line = line; ), diff --git a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c index 73bea6a7ebb6..29ea66f175c8 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c +++ b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c @@ -1206,7 +1206,7 @@ static int atomisp_register_entities(struct atomisp_device *isp) isp->media_dev.dev = isp->dev; - strlcpy(isp->media_dev.model, "Intel Atom ISP", + strscpy(isp->media_dev.model, "Intel Atom ISP", sizeof(isp->media_dev.model)); media_device_init(&isp->media_dev); diff --git a/drivers/staging/media/atomisp/pci/sh_css_sp.c b/drivers/staging/media/atomisp/pci/sh_css_sp.c index 756aad4a6e43..a40020ad699d 100644 --- a/drivers/staging/media/atomisp/pci/sh_css_sp.c +++ b/drivers/staging/media/atomisp/pci/sh_css_sp.c @@ -991,8 +991,7 @@ sh_css_sp_init_stage(struct ia_css_binary *binary, /* Make sure binary name is smaller than allowed string size */ assert(strlen(binary_name) < SH_CSS_MAX_BINARY_NAME - 1); - strncpy(sh_css_isp_stage.binary_name, binary_name, SH_CSS_MAX_BINARY_NAME - 1); - sh_css_isp_stage.binary_name[SH_CSS_MAX_BINARY_NAME - 1] = 0; + strscpy(sh_css_isp_stage.binary_name, binary_name, SH_CSS_MAX_BINARY_NAME); sh_css_isp_stage.mem_initializers = *isp_mem_if; /* diff --git a/drivers/staging/media/atomisp/pci/sh_css_version.c b/drivers/staging/media/atomisp/pci/sh_css_version.c index 3ef690d6f2cf..fa6de61e4995 100644 --- a/drivers/staging/media/atomisp/pci/sh_css_version.c +++ b/drivers/staging/media/atomisp/pci/sh_css_version.c @@ -31,7 +31,7 @@ ia_css_get_version(char *version, int max_size) { if (max_size <= (int)strlen(css_version) + (int)strlen(sh_css_get_fw_version()) + 5) return -EINVAL; - strcpy(version, css_version); + strscpy(version, css_version, max_size); strcat(version, "FW:"); strcat(version, sh_css_get_fw_version()); strcat(version, "; "); |