rpmsg: glink: Add check for kstrdup
[ Upstream commitb5c9ee8296
] Add check for the return value of kstrdup() and return the error if it fails in order to avoid NULL pointer dereference. Fixes:b4f8e52b89
("rpmsg: Introduce Qualcomm RPM glink driver") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Link: https://lore.kernel.org/r/20230619030631.12361-1-jiasheng@iscas.ac.cn Signed-off-by: Bjorn Andersson <andersson@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -221,6 +221,10 @@ static struct glink_channel *qcom_glink_alloc_channel(struct qcom_glink *glink,
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channel->glink = glink;
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channel->name = kstrdup(name, GFP_KERNEL);
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if (!channel->name) {
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kfree(channel);
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return ERR_PTR(-ENOMEM);
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}
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init_completion(&channel->open_req);
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init_completion(&channel->open_ack);
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