On 07/10/2018 08:08 PM, Li Zhijian wrote:

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 | 1 + 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/android/ion/ionapp_export.c b/tools/testing/selftests/android/ion/ionapp_export.c index a944e72..b5fa0a2 100644 --- a/tools/testing/selftests/android/ion/ionapp_export.c +++ b/tools/testing/selftests/android/ion/ionapp_export.c @@ -51,6 +51,7 @@ int main(int argc, char *argv[]) heap_size = 0; flags = 0;

• heap_type = ION_HEAP_TYPE_SYSTEM;

while ((opt = getopt(argc, argv, "hi:s:")) != -1) { switch (opt) {

Thanks. Applied to linux-kselftest next after updating the commit message

"Initialize heap_type to ION_HEAP_TYPE_SYSTEM to avoid "used uninitialized" compiler warning. heap_type gets used after initialization, this change is to just keep the compiler happy."

thanks, -- Shuah

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