| Message ID | 20250219040712.2598161-1-haoxiang_li2024@163.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | drm/msm/dsi: Add check for devm_kstrdup() | expand |
On Wed, Feb 19, 2025 at 12:07:12PM +0800, Haoxiang Li wrote: > Add check for the return value of devm_kstrdup() in > dsi_host_parse_dt() to catch potential exception. > > Fixes: 958d8d99ccb3 ("drm/msm/dsi: parse vsync source from device tree") > Cc: stable@vger.kernel.org > Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com> > --- > drivers/gpu/drm/msm/dsi/dsi_host.c | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
On 2/18/2025 8:07 PM, Haoxiang Li wrote: > Add check for the return value of devm_kstrdup() in > dsi_host_parse_dt() to catch potential exception. > > Fixes: 958d8d99ccb3 ("drm/msm/dsi: parse vsync source from device tree") > Cc: stable@vger.kernel.org > Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com> > --- > drivers/gpu/drm/msm/dsi/dsi_host.c | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) > Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 007311c21fda..6dd1e10d8014 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -1827,8 +1827,15 @@ static int dsi_host_parse_dt(struct msm_dsi_host *msm_host) __func__, ret); goto err; } - if (!ret) + if (!ret) { msm_dsi->te_source = devm_kstrdup(dev, te_source, GFP_KERNEL); + if (!msm_dsi->te_source) { + DRM_DEV_ERROR(dev, "%s: failed to allocate te_source\n", + __func__); + ret = -ENOMEM; + goto err; + } + } ret = 0; if (of_property_present(np, "syscon-sfpb")) {
Add check for the return value of devm_kstrdup() in dsi_host_parse_dt() to catch potential exception. Fixes: 958d8d99ccb3 ("drm/msm/dsi: parse vsync source from device tree") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com> --- drivers/gpu/drm/msm/dsi/dsi_host.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)