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@kernel.org CC: Pintu Agarwal pintu.ping@gmail.com Signed-off-by: Li Zhijian lizhijian@cn.fujitsu.com --- 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);