Messages in this thread | | | Subject | Re: [PATCH v2] selftests/android: initialize heap_type to avoid compiling warning | From | Shuah Khan <> | Date | Wed, 11 Jul 2018 10:17:37 -0600 |
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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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