The while loop doesn't execute and following warning gets generated:
protection_keys.c:561:15: warning: code will never be executed
[-Wunreachable-code]
int rpkey = alloc_random_pkey();
Let's enable the while loop such that it gets executed nr_iterations
times. Simplify the code a bit as well.
Reviewed-by: Sidhartha Kumar <[email protected]>
Signed-off-by: Muhammad Usama Anjum <[email protected]>
---
tools/testing/selftests/mm/protection_keys.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/tools/testing/selftests/mm/protection_keys.c
b/tools/testing/selftests/mm/protection_keys.c
index 23ebec367015f..6281d4c61b50e 100644
--- a/tools/testing/selftests/mm/protection_keys.c
+++ b/tools/testing/selftests/mm/protection_keys.c
@@ -557,13 +557,11 @@ int mprotect_pkey(void *ptr, size_t size, unsigned long
orig_prot,
int nr_iterations = random() % 100;
int ret;
- while (0) {
+ while (nr_iterations-- >= 0) {
int rpkey = alloc_random_pkey();
ret = sys_mprotect_pkey(ptr, size, orig_prot, pkey);
dprintf1("sys_mprotect_pkey(%p, %zx, prot=0x%lx, pkey=%ld) ret:
%d\n",
ptr, size, orig_prot, pkey, ret);
- if (nr_iterations-- < 0)
- break;
dprintf1("%s()::%d, ret: %d pkey_reg: 0x%016llx"
" shadow: 0x%016llx\n",
--
2.47.3
