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authorNathan Chancellor <natechancellor@gmail.com>2020-03-16 23:48:55 +0300
committerBjorn Andersson <bjorn.andersson@linaro.org>2020-03-17 00:56:57 +0300
commite69b3bede1b2f754a7d04383cbbc5a8b7327af79 (patch)
treebb004e74bc032cb972ee0a1084f187844a6bbcda /drivers/soc
parent83473566260288c560e5443ea4cc40a458aa9e6a (diff)
downloadlinux-e69b3bede1b2f754a7d04383cbbc5a8b7327af79.tar.xz
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 <ndesaulniers@google.com> Fixes: fbe639b44a82 ("soc: qcom: Introduce Protection Domain Restart helpers") Link: https://github.com/ClangBuiltLinux/linux/issues/933 Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Link: https://lore.kernel.org/r/20200316204855.15611-1-natechancellor@gmail.com Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'drivers/soc')
-rw-r--r--drivers/soc/qcom/pdr_interface.c2
1 files changed, 1 insertions, 1 deletions
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)