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remoteproc: qcom: q6v5: Fix potential null-ptr-deref in q6v5_wcss_ini…
…t_mmio() [ Upstream commit f360e2b ] q6v5_wcss_init_mmio() will call platform_get_resource_byname() that may fail and return NULL. devm_ioremap() will use res->start as input, which may causes null-ptr-deref. Check the ret value of platform_get_resource_byname() to avoid the null-ptr-deref. Fixes: 0af65b9 ("remoteproc: qcom: wcss: Add non pas wcss Q6 support for QCS404") Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221125021641.29392-1-shangxiaojing@huawei.com Signed-off-by: Sasha Levin <sashal@kernel.org>
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