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drm/msm/dsi: Add check for devm_kstrdup()

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commit 52b3f0e118b1700e5c60ff676a1f522ce44fadc8 upstream.

Add check for the return value of devm_kstrdup() in
dsi_host_parse_dt() to catch potential exception.

Fixes: 958d8d99cc ("drm/msm/dsi: parse vsync source from device tree")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/638297/
Link: https://lore.kernel.org/r/20250219040712.2598161-1-haoxiang_li2024@163.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Haoxiang Li
2025-02-19 12:07:12 +08:00
committed by Greg Kroah-Hartman
parent 31efeca2ef
commit 359f6cffae
1 changed files with 8 additions and 1 deletions
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9
drivers/gpu/drm/msm/dsi/dsi_host.c
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@@ -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_read_bool(np, "syscon-sfpb")) {