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 <sh...@kernel.org>
> CC: Pintu Agarwal <pintu.p...@gmail.com>
> Signed-off-by: Li Zhijian <lizhij...@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
