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authorDan Carpenter <dan.carpenter@oracle.com>2022-07-19 12:04:14 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-08-17 16:15:40 +0300
commitc6bc611f371d5a7800dfe21a609dd184f333d237 (patch)
tree33416363b49d2ccb71e9e2975a09fe308953aedf /tools
parent8d958b6356320788549ff2bdaebc2fd89cd76217 (diff)
downloadlinux-c6bc611f371d5a7800dfe21a609dd184f333d237.tar.xz
selftest/vm: uninitialized variable in main()
[ Upstream commit 360b420dbded8ad5b70a41de98e77354dd9e7d36 ] Initialize "length" to zero by default. Link: https://lkml.kernel.org/r/YtZzjvHXVXMXxpXO@kili Fixes: ff712a627f72 ("selftests/vm: cleanup hugetlb file after mremap test") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Mina Almasry <almasrymina@google.com> Reviewed-by: Muchun Song <songmuchun@bytedance.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/vm/hugepage-mremap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/vm/hugepage-mremap.c b/tools/testing/selftests/vm/hugepage-mremap.c
index 585978f181ed..e63a0214f639 100644
--- a/tools/testing/selftests/vm/hugepage-mremap.c
+++ b/tools/testing/selftests/vm/hugepage-mremap.c
@@ -107,7 +107,7 @@ static void register_region_with_uffd(char *addr, size_t len)
int main(int argc, char *argv[])
{
- size_t length;
+ size_t length = 0;
if (argc != 2 && argc != 3) {
printf("Usage: %s [length_in_MB] <hugetlb_file>\n", argv[0]);