root@vm-lkp-nex04-8G-7 ~/linux-v4.18-rc2/tools/testing/selftests/android# make
make[1]: warning: jobserver unavailable: using -j1. Add '+' to parent make rule.
make[1]: Entering directory '/root/linux-v4.18-rc2/tools/testing/selftests/android/ion'
gcc -I. -I../../../../../drivers/staging/android/uapi/ -I../../../../../usr/include/ -Wall -O2 -g ionapp_export.c ipcsocket.c ionutils.c -o ionapp_export
ionapp_export.c: In function 'main':
ionapp_export.c:91:2: warning: 'heap_type' may be used uninitialized in
this function [-Wmaybe-uninitialized]
printf("heap_type: %ld, heap_size: %ld\n", heap_type, heap_size);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CC: Shuah Khan <shuah@xxxxxxxxxx>
CC: Pintu Agarwal <pintu.ping@xxxxxxxxx>
Signed-off-by: Li Zhijian <lizhijian@xxxxxxxxxxxxxx>
---
tools/testing/selftests/android/ion/ionapp_export.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/tools/testing/selftests/android/ion/ionapp_export.c b/tools/testing/selftests/android/ion/ionapp_export.c
index a944e72..e3435c2 100644
--- a/tools/testing/selftests/android/ion/ionapp_export.c
+++ b/tools/testing/selftests/android/ion/ionapp_export.c
@@ -49,6 +49,7 @@ int main(int argc, char *argv[])
return -1;
}
+ heap_type = -1UL;
heap_size = 0;
flags = 0;
@@ -82,6 +83,12 @@ int main(int argc, char *argv[])
}
}
+ if (heap_type == -1UL) {
+ printf("heap_type is invalid\n");
+ print_usage(argc, argv);
+ exit(1);
+ }
+
if (heap_size <= 0) {
printf("heap_size cannot be 0\n");
print_usage(argc, argv);
--
2.7.4
--
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