From e69b3bede1b2f754a7d04383cbbc5a8b7327af79 Mon Sep 17 00:00:00 2001 From: Nathan Chancellor Date: Mon, 16 Mar 2020 13:48:55 -0700 Subject: [PATCH] soc: qcom: pdr: Avoid uninitialized use of found in pdr_indication_cb Clang warns: ../drivers/soc/qcom/pdr_interface.c:316:2: warning: variable 'found' is used uninitialized whenever 'for' loop exits because its condition is false [-Wsometimes-uninitialized] list_for_each_entry(pds, &pdr->lookups, node) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../include/linux/list.h:624:7: note: expanded from macro 'list_for_each_entry' &pos->member != (head); ^~~~~~~~~~~~~~~~~~~~~~ ../drivers/soc/qcom/pdr_interface.c:325:7: note: uninitialized use occurs here if (!found) ^~~~~ ../drivers/soc/qcom/pdr_interface.c:316:2: note: remove the condition if it is always true list_for_each_entry(pds, &pdr->lookups, node) { ^ ../include/linux/list.h:624:7: note: expanded from macro 'list_for_each_entry' &pos->member != (head); ^ ../drivers/soc/qcom/pdr_interface.c:309:12: note: initialize the variable 'found' to silence this warning bool found; ^ = 0 1 warning generated. Initialize found to false to fix this warning. Reviewed-by: Nick Desaulniers Fixes: fbe639b44a82 ("soc: qcom: Introduce Protection Domain Restart helpers") Link: https://github.com/ClangBuiltLinux/linux/issues/933 Signed-off-by: Nathan Chancellor Link: https://lore.kernel.org/r/20200316204855.15611-1-natechancellor@gmail.com Signed-off-by: Bjorn Andersson --- drivers/soc/qcom/pdr_interface.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soc/qcom/pdr_interface.c b/drivers/soc/qcom/pdr_interface.c index 7ee088b9cc7c..17ad3b8698e1 100644 --- a/drivers/soc/qcom/pdr_interface.c +++ b/drivers/soc/qcom/pdr_interface.c @@ -306,7 +306,7 @@ static void pdr_indication_cb(struct qmi_handle *qmi, const struct servreg_state_updated_ind *ind_msg = data; struct pdr_list_node *ind; struct pdr_service *pds; - bool found; + bool found = false; if (!ind_msg || !ind_msg->service_path[0] || strlen(ind_msg->service_path) > SERVREG_NAME_LENGTH) -- 2.20.1