Commit 516fb516 authored by Kevin Brodsky's avatar Kevin Brodsky Committed by Andrew Morton
Browse files

selftests/mm: fix -Wmaybe-uninitialized warnings 

A few -Wmaybe-uninitialized warnings show up when building the mm tests
with -O2.  None of them looks worrying; silence them by initialising the
problematic variables.

Link: https://lkml.kernel.org/r/20241209095019.1732120-3-kevin.brodsky@arm.com


Signed-off-by: default avatarKevin Brodsky <kevin.brodsky@arm.com>
Cc: Aruna Ramakrishna <aruna.ramakrishna@oracle.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Joey Gouly <joey.gouly@arm.com>
Cc: Keith Lucas <keith.lucas@oracle.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 8e36b294

tools/testing/selftests/mm/ksm_tests.c

+1 −1
Original line number Diff line number Diff line
@@ -776,7 +776,7 @@ static int ksm_cow_time(int merge_type, int mapping, int prot, int timeout, size 


int main(int argc, char *argv[])

{

	int ret, opt;

	int ret = 0, opt;

	int prot = 0;

	int ksm_scan_limit_sec = KSM_SCAN_LIMIT_SEC_DEFAULT;

	int merge_type = KSM_MERGE_TYPE_DEFAULT;

tools/testing/selftests/mm/mremap_test.c

+1 −1
Original line number Diff line number Diff line
@@ -384,7 +384,7 @@ static void mremap_move_within_range(unsigned int pattern_seed, char *rand_addr) 
static long long remap_region(struct config c, unsigned int threshold_mb,

			      char *rand_addr)

{

	void *addr, *src_addr, *dest_addr, *dest_preamble_addr;

	void *addr, *src_addr, *dest_addr, *dest_preamble_addr = NULL;

	unsigned long long t, d;

	struct timespec t_start = {0, 0}, t_end = {0, 0};

	long long  start_ns, end_ns, align_mask, ret, offset;

tools/testing/selftests/mm/soft-dirty.c

+1 −1
Original line number Diff line number Diff line
@@ -128,7 +128,7 @@ static void test_mprotect(int pagemap_fd, int pagesize, bool anon) 
{

	const char *type[] = {"file", "anon"};

	const char *fname = "./soft-dirty-test-file";

	int test_fd;

	int test_fd = 0;

	char *map;



	if (anon) {

tools/testing/selftests/mm/uffd-unit-tests.c

+1 −1
Original line number Diff line number Diff line
@@ -1122,7 +1122,7 @@ uffd_move_test_common(uffd_test_args_t *targs, unsigned long chunk_size, 
	char c;

	unsigned long long count;

	struct uffd_args args = { 0 };

	char *orig_area_src, *orig_area_dst;

	char *orig_area_src = NULL, *orig_area_dst = NULL;

	unsigned long step_size, step_count;

	unsigned long src_offs = 0;

	unsigned long dst_offs = 0;